2015 Chevrolet SILVERADO 2500 Manufacturer communications & TSBs.Page 15
Original record summaries, dates and identifiers for this model-year. Records 1,401–1,500 of 2,384, ordered newest first. Dated records on this page: Dec 21, 2015–Apr 19, 2016.
Read the applicability before drawing a conclusion.
This archive includes service bulletins, warranty notices, software instructions and other communications. Records may repeat or supersede earlier instructions. A model-year association is not proof that a document covers every engine, trim, VIN or reported symptom, or that a repair is free.
NHTSA download snapshot: Sep 28, 2026. These are communication associations for this vehicle, not unique defects. How records are joined and counted.
Apr 19, 2016Service Bulletin/Repair Instructions
PIC-4935-E
NHTSA communication ID: 10078735
NHTSA source summary · Original PDF not reviewed by Recallfolio
THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO HELP THE DEALERSHIP TECHNICIANS PERFORM A PARASITIC DRAIN TEST FOR THE ONSTAR MODULE. WHEN PERFORMING BATTERY PARASITIC DRAIN TEST, THERE MAY BE SOME CONFUSION AS TO WHAT THE NORMAL POWER CONSUMPTION READING SHOULD BE FROM THE ONSTAR SYSTEM.
Source components: ELECTRICAL SYSTEM · ELECTRICAL SYSTEM:12V/24V/48V BATTERY.
NHTSA source summary · Original PDF not reviewed by Recallfolio
THIS WARRANTY ADMINISTRATION BULLETIN PROVIDE POLICY INFORMATION ON USING THE EL-50313 MIDTRONICS GR8 BATTERY TESTER/CHARGER FOR DIAGNOSING BATTERY REPLACEMENTS AND MAINTAINING BATTERIES ON NEW VEHICLES IN DEALER INVENTORY.
NHTSA source summary · Original PDF not reviewed by Recallfolio
29110 ? Customer Satisfaction Program. Vehicles equipped with the full size spare tire and road wheel option may have been built without a tire pressure monitoring (TPM) sensor installed in the spare tire. If the spare tire was to be used and the TPM system is programmed to coordinate with the wheels in use, a tire pressure monitor system error would be displayed due to the lack of a sensor in the spare tire. Dealers are to install a TPM sensor in the spare tire.
Source components: TIRES · TIRES:PRESSURE MONITORING AND REGULATING SYSTEMS.
NHTSA source summary · Original PDF not reviewed by Recallfolio
THIS WARRANTY ADMINISTRATION BULLETIN PROVIDES INFORMATION ON GMS POLICY ON PERFORMING GM COVERED VEHICLE SERVICES AND MAINTENANCE ON VEHICLES ORIGINATING/SOLD IN CANADA.
NHTSA source summary · Original PDF not reviewed by Recallfolio
THIS TECHNICAL BULLETIN PROVIDES A PROCEDURE TO RE-TORQUE THE JOINTS OF THE REAR LEAF SPRING ASSEMBLY TO CORRECT A CUSTOMER CONCERN OF A CLUNKING NOISE COMING FROM THE REAR OF THE VEHICLE.
Source components: SUSPENSION:FRONT:SPRINGS:LEAF SPRING ASSEMBLY:U-BOLT, LEAF SPRING TO AXLE · SUSPENSION:REAR:SPRINGS:LEAF SPRING ASSEMBLY.
NHTSA source summary · Original PDF not reviewed by Recallfolio
THIS INFORMATIONAL BULLETIN PROVIDES INFORMATION ON A NORMAL CONDITION ON TEMPERED GLASS OF SPOTS SHOWING ON THE REAR AND SIDE WINDOWS WHEN THE VEHICLE IS IN THE SUNLIGHT.
NHTSA source summary · Original PDF not reviewed by Recallfolio
29030 ? Customer Satisfaction Program. These vehicles may have been built with grease applied to the trailing arm to knuckle attachment bolts. Grease added under the shoulder of the bolts could result in the bolts slipping over time. If the bolts loosen there would be an increasing amount of noise from the rear suspension. Left unaddressed, the upper bolts could potentially back out completely. This would result in a noticeable swaying of the vehicles? rear end from road inputs while driving, and increased noise. The vehicle handling is not affected. Dealers are to replace the four rear control arm to knuckle bolts. It will also be necessary to clean any grease from the bolt mounting surfaces.
NHTSA source summary · Original PDF not reviewed by Recallfolio
THIS PRELIMINARY INFORMATION COMMUNICATION ADVISES THE TECHNICIAN THE STEPS ON DIAGNOSING THE CONCERN. VEHICLE'S SUNROOF OPERATION INTERMITTENT, BIND, NOISE, AUTO-REVERSE, AND/OR WATER LEAKS.
NHTSA source summary · Original PDF not reviewed by Recallfolio
THIS PRELIMINARY INFORMATION COMMUNICATION ADVISES THE TECHNICIAN THE STEPS ON DIAGNOSING THE CONCERN. VEHICLE'S SUNROOF OPERATION INTERMITTENT, BIND, NOISE, AUTO-REVERSE, AND/OR WATER LEAKS.
Source components: ELECTRICAL SYSTEM · STRUCTURE:BODY · VISIBILITY:SUN/MOON ROOF ASSEMBLY.
NHTSA source summary · Original PDF not reviewed by Recallfolio
"THIS TECHNICAL BULLETIN PROVIDES A PROCEDURE TO INSPECT THE STEERING GEAR FOR A NORMAL CONDITION OF GREASE OR SEALANT ON EXTERIOR CASE OF GEAR DUE TO THE MANUFACTURING PROCESS."
Source components: STEERING:ELECTRIC POWER ASSIST SYSTEM.
NHTSA source summary · Original PDF not reviewed by Recallfolio
THIS TECHNICAL BULLETIN PROVIDES A PROCEDURE TO REPROGRAM THE RADIO TO CORRECT A CUSTOMER CONCERN OF RADIO INOPERATIVE, BLUE SCREEN, AM CLIPPING NOISE, HD ON/OFF STATUS NOT RETAINED IN STATIONS, TIME LAG ON TRANSITIONS, NO AUDIO WITH INTERNAL AMP, PARK ASSIST SYMBOL POSITION WRONG IN REAR VIEW CAMERA.
Source components: ELECTRICAL SYSTEM · ELECTRICAL SYSTEM:SOFTWARE.
NHTSA source summary · Original PDF not reviewed by Recallfolio
CONDITION Certain 2010-2016 model year Chevrolet Express, GMC Savana, 2011-2013 model year Chevrolet Silverado HD, 2015-2016 model year Chevrolet Silverado HD, 2011-2012 model year GMC Sierra HD, 2015 model year GMC Sierra HD vehicles equipped with Duramax diesel engine (RPO LGH or LML) and Ambulance Upfitter or Fire Truck Upfitter (RPO YF2 or ANM), may have a condition in which the emission control system as designed will limit speed under certain conditions. The EPA has approved General Motors request to remove the emission control system speed limitations on these emergency vehicles where applicable.
NHTSA source summary · Original PDF not reviewed by Recallfolio
This Preliminary Information communication advises the technician how to diagnose vehicles with the CD player inoperative. If this concern is encountered, cycle the CD player fuse and re-evaluate the concern. If the concern is no longer present, replace the CD player. When the CD player is still found to be inoperative after cycling the fuse follow Service Information diagnostics.
Source components: ELECTRICAL SYSTEM · EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC..
NHTSA source summary · Original PDF not reviewed by Recallfolio
This Preliminary Information communication provides information to the technician about vehicles that have a Diagnostic Trouble Code B101D stored in Telematics Communication Interface Control Module. Technician will check Global Warranty Management system for customer satisfaction program 15086 status. If the status of the customer satisfaction program 15086 was not completed follow the steps to get the Telematics Communication Interface Control Module replaced. If the status of customer satisfaction program 15086 is found completed contact General Motors Technical Assistance Center OnStar group for further assistance.
NHTSA source summary · Original PDF not reviewed by Recallfolio
This informational bulletin provides information on chemical staining, pitting, and corrosion on wheels and the proper cleaners to use to fix the conditions due to multiple causes.
NHTSA source summary · Original PDF not reviewed by Recallfolio
This technical bulletin provides a procedure to replace the fuel tank to correct a condition of the fuel tank being hard to fill due to a mold flashing issue within the tank.
NHTSA source summary · Original PDF not reviewed by Recallfolio
This Preliminary Information communication provides information to the technician about the multiple alternative gaseous fuel vehicles General Motors offers. Chevrolet Express and GMC Savana vans 2011 through 2016 offered a dedicated Compressed Natural Gas system. Refer to the latest version of PI0417 for more information. Chevrolet Express and GMC Savana 3500, 4500 Cutaway Vans 2012 through 2016 offered a dedicated Liquefied Petroleum Gas system. Refer to the latest version of PI0722 for more information. Chevrolet Silverado and GMC Sierra's 2013 through 2016 offered a combination of Compressed Natural Gas and Gasoline fuel systems. Refer to the latest version of PI0834 for more information. Chevrolet Impala's 2015 through 2016 offered a combination of Compressed Natural Gas and Gasoline fuel systems. Refer to the latest version of PI1330 for more information. The Compressed Natural Gas fuel system operates under high pressure up to 3600 psi. The Liquefied Petroleum Gas fuel system operates under high pressure up to 300 psi. Service and repair of this system should only be performed by a General Motors trained alternative fuels service technician with the proper knowledge and tools.
NHTSA source summary · Original PDF not reviewed by Recallfolio
This preliminary informational bulletin provides information on GM is implementing a new service strategy that uses a set of universal coaxial repair kits to service vehicles. This only applies to cable used for high frequency signals, such as cellular (OnStar®), satellite radio (XM) and GPS (navigation). The kits do NOT apply to the AM/FM cables.
NHTSA source summary · Original PDF not reviewed by Recallfolio
This Preliminary Information communication provides information to the technician on how to diagnose and repair vehicles that have a click, rattle or a squeak nose coming from the dash. Technician will use Service Information to locate the Accessory AC and DC Power Control Module located to the right of the steering column. Remove the power inverter module and apply two sided tape to the module bracket to insulate it from the mount. The instrument panel accessory bezel will also need to be removed. Apply flocking tape to the instrument panel accessory bezel retainers. Also the instrument panel extension will need to be removed. Apply foam tape around connectors located under grill to prevent them from rattling on grill. Apply flocking tape to the instrument panel extension retainers and apply a strip of foam tape along the edge of the grill to isolate the grill from the dash.
NHTSA source summary · Original PDF not reviewed by Recallfolio
This informational bulletin provides information on Identifying Non-GM (Aftermarket) Engine Calibrations for Gasoline Engines Using Tech 2® or GDS 2 (U.S. and Canada)
NHTSA source summary · Original PDF not reviewed by Recallfolio
This informational bulletin provides information on Clean Exhaust Filter See Owners Manual Now or Cleaning Exhaust Filter Keep Driving Until Message is Cleared Message Displayed on DIC, DTC P2463 May Be Set
NHTSA source summary · Original PDF not reviewed by Recallfolio
This Preliminary Information communication advises the technician that some vehicles intermittently the favorites saved from a USB drive or SD card are grayed out and not selectable. Please communicate to the customer that we apologize for this inconvenience and that General Motors is currently evaluating this concern.
NHTSA source summary · Original PDF not reviewed by Recallfolio
This Preliminary Information communication advises the technician that some vehicles may have a radio display that is covered when the radio station favorites list is maximized. This is a normal operating characteristic and no repair attempt should be made. The hidden screen functions will operate again after the user minimizes the favorites list by dragging it to the bottom of the display.
NHTSA source summary · Original PDF not reviewed by Recallfolio
This Preliminary Information communication provides information to the technician on how to diagnose and repair vehicles that have a no crank or a start and then immediate stall, Service Engine Soon Malfunction Indicator lamp may not be on when the ignition is in the run position, Any of the following Diagnostic Trouble Codes may be set: B1370, B1325, P0650, P263A, P263B, P0513, and/or P0262B. Trucks equipped with 4WD may have a Service 4WD message and Diagnostic Trouble Codes C0364 and/or U0403 may set. Also the sound of a relay clicking while driving or engine stays running with ignition off until door is opened. Technician will inspect all the under-hood fuse block-X50A connectors for any backed out terminals, poor terminal fit and/or bent/twisted terminals. The most common terminals with these issues have been with terminal M5 at connector X4, for circuit 5199 and terminal M7 at connector X2, for circuit 439. Technician will inspect for any backed out terminals, poor terminal fit and/or bent/twisted terminals at the left instrument panel fuse block - X51L. The most common terminals with these issues have been terminal 42 at connector X1, for circuit 5199 and terminal 44 at connector X2, for circuit 1850. Also circuit 5199 will need to be inspected and repaired under the driver?s sill plate.
Source components: ELECTRICAL SYSTEM · EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL.
NHTSA source summary · Original PDF not reviewed by Recallfolio
This Preliminary Information communication provides information to the technician with the steps on diagnosing and repairing vehicles that may have unwanted grade braking, reduced engine power with no Driver Information Center messages ? Brake Pedal Override Feature ?, transmission busy or frequent shifting up or down, and Diagnostic Trouble Codes P057B, P057C, and/or P057D may or may not be set. Technician will use this preliminary information to find the brake pedal position data parameters in the scan tool, and also to provide some additional diagnostic help. These issues may be caused by an incorrect brake pedal position sensor input to the engine control module. Technician will verify with the scan tool if the engine control module has the correct parameters for the brake pedal position sensor. If an engine control module brake pedal position sensor relearn is performed, the truck may be temporarily repaired until the intermittent wiring issue between the engine control module and brake pedal position sensor occurs again. On 2014 and newer trucks inspect and repair any damage to X115 and X119. On the 2014 and previous trucks inspect and repair any damage to X205.
Source components: ELECTRICAL SYSTEM · ENGINE · SERVICE BRAKES, HYDRAULIC:PEDALS AND LINKAGES.
NHTSA source summary · Original PDF not reviewed by Recallfolio
This Preliminary Information communication provides information to the technician with the steps to diagnosis and repair vehicles with various handling, vehicle dynamics concerns, noises from the suspension or underbody, or issues related to damaged suspension components. Before any in-depth diagnostics are performed, be aware that various issues could occur if the vehicle has been modified and inform the customer the conditions noted may not be covered under warranty. Technician will inspect for installed aftermarket suspension components. Also inspect for improperly adjusted torsion bars.
NHTSA source summary · Original PDF not reviewed by Recallfolio
This Preliminary Information communication provides information to the technician about vehicles equipped with a manual Heater-Vent-Air Conditioning Regular Production Option Code C67 with the concern of after turning the A/C compressor off during the previous ignition cycle, it turns back on by itself on the next ignition cycle. Please communicate to the customer this condition is a normal operating characteristic of their vehicle.
NHTSA source summary · Original PDF not reviewed by Recallfolio
This preliminary informational bulletin provides a procedure on the process used to test for a snap or clunk on specific clutch plates to correct a condition of a snap, pop, click, tick or clunk noise on a launch due to clearance between C1 and C2 clutch reaction plates
NHTSA source summary · Original PDF not reviewed by Recallfolio
This Preliminary Information communication provides information to the technician to help diagnose vehicles that may have a radio inoperative. This concern will last through multiple ignition cycles and is not intermittent. If Service Information diagnostics do not point to the Media Disc Player as being at fault, please continue with normal diagnostics. If SI diagnostics do point to the Media Disc Player being at fault, please do not unplug or remove power from the module or vehicle. Technician will contact General Motors Technical Assistance Center for further assistance.
Source components: ELECTRICAL SYSTEM · EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC..
NHTSA source summary · Original PDF not reviewed by Recallfolio
This Preliminary Information communication advises the technician that generation 5 engines with Regular Production Option Code L83, L86, or LV3 may have an oil consumption concern were one quart in 2000 miles is being used. Dealer will confirm oil level was properly checked per Owner?s Manual, and check the bolt torque on the Valve Lifter Oil Manifold Assembly, before you contacting General Motors Product Quality Center.
NHTSA source summary · Original PDF not reviewed by Recallfolio
This informational bulletin provides information on what some possibile causes coud be contributing to various engine noises during cold start and warm engine operation
NHTSA source summary · Original PDF not reviewed by Recallfolio
This informational bulletin provides information on what is needed to be prepared for TAC, caller preparedness and checklists and contacting U.S. technical Assistance and the use of strategy based diagnostics
NHTSA source summary · Original PDF not reviewed by Recallfolio
This technical bulletin provides a procedure to relearn the power folding mirriors and road test to correct a conditon of power fold away mirriors glass shakes or flutters at normal driving speeds
NHTSA source summary · Original PDF not reviewed by Recallfolio
This preliminary informational bulletin provides a procedure on Adding Adhesive Pad To The Right And Left Rear Corner Pads to correct a conditon of Accessory Tri-Fold Tonneau Cover Prevents Endgate/Tailgate From Closing
NHTSA source summary · Original PDF not reviewed by Recallfolio
This Preliminary Information communication provides information to the technician the steps to diagnose and repair the concern of the display is showing 32° F (0° C) after a battery or reprogramming a module. The outside temperature will begin to update if driven above 20 mph for at least 5 minutes. If the vehicle speed drops below 20 mph, the timer will reset and the display will stop updating. Once the display starts to update it may take several more minutes of driving above 20 mph for the display to fully update. Also if the vehicle is shut off for more than 8 hours the display will update when the ignition is turned on.
NHTSA source summary · Original PDF not reviewed by Recallfolio
This informational bulletin provides information on Original Equipment Batteries Part Number and ACDelco Replacement Battery Approved Warranty Part Numbers
NHTSA source summary · Original PDF not reviewed by Recallfolio
This engineering informational bulletin is requesting information from th field on vehicles that have the condition of a vehicle crank and no start with DTC P0011 and or P00C6 set
NHTSA source summary · Original PDF not reviewed by Recallfolio
This Preliminary Information communication advises the technician after the OnStar Canada upgrade the OnStar Vehicle Diagnostic Email report is inoperative. Please communicate to the customer that we apologize for this inconvenience and that General Motors is working on a solution for this concern.
NHTSA source summary · Original PDF not reviewed by Recallfolio
This Preliminary Information communication provides information to the technician a vehicle may have a shake or shudder during light throttle acceleration, between 30 and 65 mph steady driving. Technician will drive the vehicle while monitoring Torque Converter Clutch slip speed. If the Torque Converter Clutch slip speed is in the range of 10 RPM or less the condition is possibly related to engine performance. If the slip speed is beyond 10 rpm or there is shudder during Torque Converter Clutch apply the torque converter should be replaced following the instructions published in Service Information.
Source components: POWER TRAIN:AUTOMATIC TRANSMISSION:TORQUE CONVERTER · VEHICLE SPEED CONTROL.
NHTSA source summary · Original PDF not reviewed by Recallfolio
This informational bulletin provides information on vehicles may rock or move slightly forward or rearward while in Park at start up after cold soak and that this is considered a normal conditon and no repairs are necessary
NHTSA source summary · Original PDF not reviewed by Recallfolio
This Preliminary Information communication provides information to the technician about gasoline powered cars, mid-size trucks, light duty trucks, and heavy duty trucks with premature catalytic converter failures. It is recommended to inspect for a poor crimp on the coil grounds ring terminal at the engine block for the bank with the concern and repair the wire.
Source components: ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CATALYTIC CONVERTOR.
NHTSA source summary · Original PDF not reviewed by Recallfolio
This Preliminary Information communication provides information to the technician how to diagnose and repair a vehicle with an engine that runs with an intermittent crank no start with a Diagnostic Trouble Code P0011 or P00C6 current or history. The Camshaft Position Actuator Solenoid Valve may be sticking or binding causing the valve timing to be retarded. Dealer will need to cycle the Camshaft Position Actuator Solenoid Valve by energizing it using Global Diagnostic System 2.
NHTSA source summary · Original PDF not reviewed by Recallfolio
This informational bulletin provides information on transmission adaptive functions and correcting low mileage harsh shifts by completing a transmission service fast learn
NHTSA source summary · Original PDF not reviewed by Recallfolio
This Preliminary Information communication advises the technician some tailgates may make contact with the bed with or without factory spray in bed liner. Engineering has released an updated tailgate to correct this concern.
NHTSA source summary · Original PDF not reviewed by Recallfolio
This Preliminary Information communication advises the technician that vehicles with engine Regular Production Option Code LGH or LML may have an Exhaust Fluid Quality Poor message displayed on the Driver Information Center. Technician will need to complete the current Service Information diagnostic for any current Diagnostic Trouble Codes or symptoms found. If an Exhaust Fluid Quality Poor message is displayed with a specific Diagnostic Trouble Code, use that specific Service Information diagnostic, and repair the vehicle as necessary. If the dealer has found an Exhaust Fluid Quality Poor message with no Diagnostic Trouble Code, diagnose the condition using the current Service Information diagnosis for Diagnostic Trouble Code P20EE / P207F (P2BAD for 2012 and newer model years). After making repairs use the Service Information Document titled "Reductant Fluid Quality Test (With or without DTCs)" to evaluate and clear the Exhaust Fluid Quality Poor DIC message.
Source components: ENGINE AND ENGINE COOLING:ENGINE:DIESEL · ENGINE AND ENGINE COOLING:EXHAUST SYSTEM.
NHTSA source summary · Original PDF not reviewed by Recallfolio
This informational bulletin provides information on If the radar does not see any vehicles, structures, or objects for 15-25 minutes of driving, the system may think its blocked and display the ?Side Object Detection System Disabled? message.
NHTSA source summary · Original PDF not reviewed by Recallfolio
This technical bulletin provides a procedure on how to take the vehicles out of transport mode for vehicles with the condition of Transport Mode On Message Displayed in Driver Information Center (DIC) and/or Battery Light is Flashing
NHTSA source summary · Original PDF not reviewed by Recallfolio
This Preliminary Information communication advises the technician that generation 5 engines with Regular Production Option Code L83, L86, or LV3 may have an oil consumption concern were one quart in 2000 miles is being used. Technician will confirm oil level was properly checked per Owner?s Manual, and check the bolt torque on the Valve Lifter Oil Manifold Assembly, before you contacting General Motors Product Quality Center.
NHTSA source summary · Original PDF not reviewed by Recallfolio
This Preliminary Information communication advises the technician vehicle equipped with Regular Production Option Code UY2 the location of the 5th wheel harness was relocated. Starting with the 2015 model year, the location has changed to the rear of the pickup box ? forward of the rear bumper and attached to the rear frame cross member.
Source components: ELECTRICAL SYSTEM:WIRING · STRUCTURE:BODY:BUMPERS · STRUCTURE:FRAME AND MEMBERS.
NHTSA source summary · Original PDF not reviewed by Recallfolio
This informational bulletin provides information on New Vehicle Pre-Delivery Inspection (PDI) - Delivering Quality Vehicles and Generating Higher CSi Scores
NHTSA source summary · Original PDF not reviewed by Recallfolio
This informational bulletin provides information on the proper mounting paste to apply to tires when mounting and balancing them to prevent conditions like Vibration Shortly After Tires are Mounted/Preventing Vibration from Wheel Slip (Tire Sliding on Wheel)
NHTSA source summary · Original PDF not reviewed by Recallfolio
This informational bulletin provides Information Regarding Servicing Components Located Near SIR Components and how to properly disable the SIR system for repairs at or near
NHTSA source summary · Original PDF not reviewed by Recallfolio
This informational bulletin provides information on the proper ways to repair spray in bed liners and general information on the procedures around the spray in bed liners
NHTSA source summary · Original PDF not reviewed by Recallfolio
This engineering informational bulletin is requesting information from the field on vehicles that have a concern on Bang or Loud Noise with No Forward (Drive) or Reverse Ranges
NHTSA source summary · Original PDF not reviewed by Recallfolio
This informational bulletin provides an out line on Headlamp, Tail Lamp, License Lamp or Fog/Driving Lamp Damage and what should be considered warranty replacement and not
NHTSA source summary · Original PDF not reviewed by Recallfolio
THIS PRELIMINARY INFORMATION COMMUNICATION ADVISES THE TECHNICIAN BEFORE REPLACING THE CRANKSHAFT TO REVIEW THE FOLLOWING. DEALER SHOULD COMPLETE THE SERVICE INFORMATION DIAGNOSTICS AND THE COST COMPARISON WORKSHEET FOR ASSEMBLY REPAIR VS REPLACEMENT. TECHNICIAN WILL USE THE LATEST VERSION OF 09-06-04-026G TO VERIFY THE ECM CALIBRATION IS NOT AN AFTERMARKET CALIBRATION. IF THE CUSTOMER PREFERS TO KEEP THE ORIGINAL NUMBERS MATCHING ENGINE PLEASE CALL TAC FOR REPAIR DIRECTION.
NHTSA source summary · Original PDF not reviewed by Recallfolio
This informational bulletin provides information on Unscheduled Supplemental Services (Including Flushing Services and Additives) and Proper Use of GM Simplified Maintenance Schedules (U.S. Only)
NHTSA source summary · Original PDF not reviewed by Recallfolio
THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO THE TECHNICIAN THAT SOME VEHICLES MAY HAVE A HIGH PITCHED WHINE NOISE FROM THE VEHICLE NOTICED WHEN DRIVING IN AUTO 4WD. WHEN THE TRANSFER CASE CONTROL MODULE HAS TO MOVE THE TRANSFER CASE ACTUATOR MOTOR THE HIGHER CURRENT PASSING THROUGH THE MODULE CAUSES AN "ELECTRONIC BUZZ OR WHINE" WITHIN SOME OF THE CAPACITORS IN THE MODULE THAT CAN BE HEARD BY SOME OF OUR CUSTOMERS. THIS CAN ONLY BE HEARD WITH ALL ACCESSORIES AND HVAC OFF AND ONLY WHEN ACTUATOR MOVEMENT IS REQUIRED. THIS DOES NOT INDICATE A CONCERN WITH THE MODULE AND SHOULD NOT BE REPLACED TO ADDRESS THIS CONCERN.
Source components: EQUIPMENT · POWER TRAIN:TRANSFER CASE (4-WHEEL DRIVE).
NHTSA source summary · Original PDF not reviewed by Recallfolio
This technical bulletin provides a procedure on how to remove door trim panles and replace chime speaker pigtail connectors for vehicles with the condition of intermittent loss of chime from speaker
NHTSA source summary · Original PDF not reviewed by Recallfolio
This informational bulletin provides information on how to properly repair rust on the hem flange on doors for vehicles that have the condition of rust showing at hem flange
NHTSA source summary · Original PDF not reviewed by Recallfolio
This engineering informational bulletin is requesting information on vehicles that have the condition of Bang or Loud Noise with No Forward (Drive) or Reverse Ranges
NHTSA source summary · Original PDF not reviewed by Recallfolio
This technical bulletin provides a procedure to replace 4-5-6 clutch hub to correct a condition of No Fourth, Fifth and Sixth Gears and/or Malfunction indicator Lamp Illuminated with DTC P0796
NHTSA source summary · Original PDF not reviewed by Recallfolio
This informational bulletin provides information on Behavior of Non-Upgraded OnStar Equipped Vehicles Operating in Canada after Decommissioning of 2G CDMA Cellular Networks
NHTSA source summary · Original PDF not reviewed by Recallfolio
This Preliminary Information communication provides information to the technician on how to diagnose and repair vehicles that may have a grind, pop, shudder or bind feeling/noise in the steering column when turning left or right. Technician will inspect for the lower column bearing to be out of position and the upper intermediate steering shaft to lower column shaft bolt and nut may be contacting the inhibitor/shiftier cable bracket. Technician will replace the steering column for this concern.
NHTSA source summary · Original PDF not reviewed by Recallfolio
THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO THE TECHNICIAN ON HOW TO DIAGNOSE AND REPAIR VEHICLES THAT MAY HAVE A GRIND, POP, SHUDDER OR BIND FEELING/NOISE IN THE STEERING COLUMN WHEN TURNING LEFT OR RIGHT. TECHNICIAN WILL INSPECT FOR THE LOWER COLUMN BEARING TO BE OUT OF POSITION AND THE UPPER INTERMEDIATE STEERING SHAFT TO LOWER COLUMN SHAFT BOLT AND NUT MAY BE CONTACTING THE INHIBITOR/SHIFTIER CABLE BRACKET. TECHNICIAN WILL REPLACE THE STEERING COLUMN FOR THIS CONCERN.
NHTSA source summary · Original PDF not reviewed by Recallfolio
This Preliminary Information communication provides information to the technician about vehicles that have a lifter that has collapsed and is stuck in the lifter bore when completing 15-06-01-002A. Technician will use vice grips with a slide hammer to remove the lifter. Or the technician can use vice grip and a pry bar. If the lifter will not come out the engine will need to be replaced.
NHTSA source summary · Original PDF not reviewed by Recallfolio
This Preliminary Information communication provides information to the technician about vehicles with engine oil consumption. If published Service Information for oil consumption with no fix. Remove the vacuum line from the back of the vacuum pump and inspect for oil. If oil is found then reference the latest version of PIT5361.
NHTSA source summary · Original PDF not reviewed by Recallfolio
This Preliminary Information communication provides information to the technician about vehicles that have a vibration that is felt between 1200 ? 1400 engine revolutions per minute when in active fuel management V4 mode. Technician will need to use J?38792-A Electronic Vibration Analyzer 2 or CH?51450-NVH Pico Oscilloscope Diagnostic Kit to measure the frequency of the vibration. Technician will need to remove and replace the exhaust muffler clamp that joins the three-way catalytic converter assembly to the pipe of the muffler assembly. After the exhaust is reinstalled remove and reinstall each cab mounts and retest.
Source components: ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CATALYTIC CONVERTOR.
NHTSA source summary · Original PDF not reviewed by Recallfolio
This Preliminary Information communication provides information to the technician about vehicles with Service Engine Soon Malfunction Indicator Lamp. Technician may find Diagnostic Trouble Code P0101. Technician should follow published Service Information diagnostics for any Diagnostic Trouble Codes that are set. If during diagnosis the tech has found that the Airflow Leak Equivalency Ratio or Induction System Leak Indication is above or below the specification the tech will have to carefully check for leaks in the air intake.
NHTSA source summary · Original PDF not reviewed by Recallfolio
This Preliminary Information communication advises the technician how to diagnose vehicles with the CD player inoperative. If this concern is encountered, cycle the CD player fuse and re-evaluate the concern. If the concern is no longer present, replace the CD player. When the CD player is still found to be inoperative after cycling the fuse follow Service Information diagnostics.
Source components: ELECTRICAL SYSTEM · EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC..
NHTSA source summary · Original PDF not reviewed by Recallfolio
This Preliminary Information communication advises the technician about vehicles that may have a inoperative radio with Diagnostic Trouble Code U0184 set in modules and unable to communicate with the radio using the scan tool. Technician should remove power from the radio. If the radio starts working with a power cycle advise the customer that we apologize for this inconvenience and that General Motors is working on a permanent solution for this concern. After the power cycle and the radio is still inoperative record the radio power and ground readings and the voltage on the low speed data line.