2021 Chevrolet SUBURBAN Manufacturer communications & TSBs.Page 7
Original record summaries, dates and identifiers for this model-year. Records 601–700 of 1,365, ordered newest first. Dated records on this page: Oct 17, 2022–Feb 10, 2023.
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.
Feb 10, 2023Service Bulletin/Repair Instructions
PIP5628E
NHTSA communication ID: 10232811
NHTSA source summary · Original PDF not reviewed by Recallfolio
This Preliminary information communicates information that will need to be provided to TAC to aid in diagnosing if a vehicle comes in with misfire and DTC Codes P0300 - P0308 and/or P050D
NHTSA source summary · Original PDF not reviewed by Recallfolio
This Preliminary information communicates a tip when diagnosing an inoperative air leveling suspension system and to repair any loss of comm DTC's with the power window motors first.
NHTSA source summary · Original PDF not reviewed by Recallfolio
This informational bulletin provides Changes to the Automatic Stop/Start feature for Certain 2021 Escalade models, Silverado 1500, Suburban, Tahoe, Sierra 1500, Yukon models Equipped with RPO NSS.
Source components: ELECTRICAL SYSTEM · ENGINE AND ENGINE COOLING.
NHTSA source summary · Original PDF not reviewed by Recallfolio
This service bulletin provides information for the technician that may experience a condition when after performing a DTC Clear/Reset on the TCM during diagnosis or after completion of a transmission repair or replacement, the DTCs did not clear or appear to reset on the next engine start.
Source components: ELECTRICAL SYSTEM · POWER TRAIN.
NHTSA source summary · Original PDF not reviewed by Recallfolio
This Preliminary information communicates a diagnostic tip on how to resolve a issue with the Body Control Module setting DTC: P0606 and turning on a Check Engine Lamp.
NHTSA source summary · Original PDF not reviewed by Recallfolio
This technical bulletin provides repair information to correct a customer concern of Black Radio Display Screen (Triangle and Camera with Slash Through it) with DTCs B1A62 82 and 86 Setting Current in Video Processing Module (VPM).
NHTSA source summary · Original PDF not reviewed by Recallfolio
This technical bulletin informs the dealer to add foam to the base of the clips to correct the condition of Instrument Panel Trim Plate Applique Loose.
NHTSA source summary · Original PDF not reviewed by Recallfolio
This service bulletin provides information for U.S. dealers ONLY to refer to the Battery Maintenance Report to identify vehicles in dealer inventory that require attention.
Source components: ELECTRICAL SYSTEM · ENGINE AND ENGINE COOLING.
NHTSA source summary · Original PDF not reviewed by Recallfolio
This Preliminary information communicates a diagnostic tip on how to resolve a issue if the serial data authentication configuration did not complete correctly.
NHTSA source summary · Original PDF not reviewed by Recallfolio
This service bulletin provides information for accurate tire pressures that ensure the safe handling and appropriate ride characteristics of GM cars and trucks.
NHTSA source summary · Original PDF not reviewed by Recallfolio
This service bulletin provides information for customers/dealers/technicians on Normal Camera Display Operation - Flashing Diamond - Spot - or UFO like image on Camera Display.
Source components: BACK OVER PREVENTION: SENSING SYSTEM: CAMERA · EQUIPMENT · EQUIPMENT:ELECTRICAL:INFOTAINMENT.
NHTSA source summary · Original PDF not reviewed by Recallfolio
This Preliminary information communicates a diagnostic tip on how to resolve a issue with the Body Control Module setting DTC: P0606 and turning on a Check Engine Lamp.
NHTSA source summary · Original PDF not reviewed by Recallfolio
This engineering information (EI) ends the need for gathering information from technicians in regards to the roof panel joint finish molding being detached and/or loose from the roof retaining clip.
Source components: STRUCTURE · STRUCTURE:BODY:ROOF AND PILLARS.
NHTSA source summary · Original PDF not reviewed by Recallfolio
This informational bulletin provides graphs to help identify possible issues that may cause shaking and shudders and what may be the cause of said issue.
Source components: ENGINE AND ENGINE COOLING · POWER TRAIN.
NHTSA source summary · Original PDF not reviewed by Recallfolio
This Preliminary information communicates an issue during start up that the following symptoms occur: - Service Safety Restraints System Message - Sunroof Inoperative - Sunshade Lights Inoperative - Dome Lights Inoperative - Power Liftgate Inoperative when using switch in overhead console - DTCs U1121 set in the BCM and B1A7A set in the Restraints Module Engineering is currently working on a fix and in the meantime a customer can cycle the dome light switch on/off to correct the condition during that ignition cycle.
Source components: ELECTRICAL SYSTEM · STRUCTURE:BODY:HATCHBACK/LIFTGATE · VISIBILITY:SUN/MOON ROOF ASSEMBLY.
NHTSA source summary · Original PDF not reviewed by Recallfolio
This Preliminary information communicates to the technician that GM is aware of this concern with audio loss and the OnStar LED being red. GM is working on a solution to correct this customers concern.
NHTSA source summary · Original PDF not reviewed by Recallfolio
This service bulletin provides diagnostic information for technicians in cases of an ETRS system fault or a no start condition - If the vehicle needs to be moved, it is recommended to use wheel dollies, tire skates or the NEW Manual Park Release tool DT-52910.
NHTSA source summary · Original PDF not reviewed by Recallfolio
Service Update Bulletin - Certain vehicles may have a condition where the engine control module has an incorrect calibration. Dealers are to reprogram the engine control module.
Source components: ENGINE AND ENGINE COOLING · ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM).
NHTSA source summary · Original PDF not reviewed by Recallfolio
This technical bulletin provides a procedure to program the TCM and replace the control valve body if the conditions are found to be the cause of the failure of the valve body.
Source components: ELECTRICAL SYSTEM · POWER TRAIN.
NHTSA source summary · Original PDF not reviewed by Recallfolio
This technical bulletin provides service information to correct a customer concern of HVAC Heat Intermittently Inoperative, DTCs B2B05 and/or B2B06 Set.
NHTSA source summary · Original PDF not reviewed by Recallfolio
This informational bulletin advises the tech to inspect the transfer case motor electrical connectors for possible damage or corrosion that might be caused by a damage grommet inside the electrical connector.
Source components: ELECTRICAL SYSTEM · POWER TRAIN.
NHTSA source summary · Original PDF not reviewed by Recallfolio
This technical bulletin provides a step by step procedure to replace the pressure releif valve due to Flutter Noise from Right Rear Corner of the Vehicle.
NHTSA source summary · Original PDF not reviewed by Recallfolio
This Preliminary information communicates an issues will low or poor heater performance on the drivers side. Dealers are to inspect the HVAC temperature door linkage and if ok replace the heater core.
NHTSA source summary · Original PDF not reviewed by Recallfolio
This Preliminary information communicates an issues with the side blind alert icon not working properly after a short range radar is replaced. Dealers are to perform a return to factory settings to correct the issue.
Source components: ELECTRICAL SYSTEM · VISIBILITY.
NHTSA source summary · Original PDF not reviewed by Recallfolio
This service bulletin provides a repair procedure to correct a customer concern of a No Fob detected message on Driver Information Center (DIC) and/or No Crank / No Start condition.
Source components: ELECTRICAL SYSTEM · ELECTRICAL SYSTEM:IGNITION:ANTI-THEFT:IMMOBILIZER/PROXIMITY:KEY/SENDER.
NHTSA source summary · Original PDF not reviewed by Recallfolio
This warranty administration bulletin provides policy information requirements applicable to key fob replacement under the New Vehicle Limited Warranty or under a Replacement Parts Warranty on 2017-2022 and newer model year vehicles with RPO ATH and AVJ.
NHTSA source summary · Original PDF not reviewed by Recallfolio
This technical bulletin provides a procedure to replace the fuel injector and the wiring harness to correct a customer concern of Malfunction Indicator Lamp (MIL) Illuminated with DTC P0201, P0202, P0203, P0204, P0205, P0206 and/or P0216 Set.
Source components: ELECTRICAL SYSTEM · ENGINE AND ENGINE COOLING · FUEL SYSTEM, DIESEL.
NHTSA source summary · Original PDF not reviewed by Recallfolio
This service bulletin provides information to inform dealership personnel about Law Enforcement and Government vehicles that request to disable or enable content.
NHTSA source summary · Original PDF not reviewed by Recallfolio
This technical bulletin provides a procedure to replace the rear diff fluid to correct the rear clutches from chattering, which create a moan type noise.
NHTSA source summary · Original PDF not reviewed by Recallfolio
This service bulletin provides information for U.S. dealers ONLY to refer to the Battery Maintenance Report to identify vehicles in dealer inventory that require attention.
Source components: ELECTRICAL SYSTEM · ENGINE AND ENGINE COOLING.
NHTSA source summary · Original PDF not reviewed by Recallfolio
This service bulletin provides information for the technician that may experience a condition when after performing a DTC Clear/Reset on the TCM during diagnosis or after completion of a transmission repair or replacement, the DTCs did not clear or appear to reset on the next engine start.
Source components: ELECTRICAL SYSTEM · POWER TRAIN.
NHTSA source summary · Original PDF not reviewed by Recallfolio
This service bulletin provides information for dealers/technicians on MDI 2 Required When Programming Vehicles with Vehicle Intelligence Platform (VIP).
NHTSA source summary · Original PDF not reviewed by Recallfolio
This service bulletin provides a diagnostic procedure to aid in correcting a customer concern of a Howling, Whining/Whirring Noise, Shudder/Vibration and/or Grinding Noise While in 4HI, 4HI Auto and/or During Parking Lot Maneuvers in Auto Mode.
NHTSA source summary · Original PDF not reviewed by Recallfolio
This Warranty Administration bulletin provides retail and wholesale service personnel with the policies/procedures and the warranty transaction submission procedures that support the Personal Property Damage process.
NHTSA source summary · Original PDF not reviewed by Recallfolio
This Preliminary information communicates that improper installation of the valve body may cause an unawanted Service Transmission message with no DTC'S.
NHTSA source summary · Original PDF not reviewed by Recallfolio
This Preliminary information communicates to the technician the need to inspect the induction system for potential icing issues in very cold ambient temperatures. To allow the ice to melt so that it can be drained from the related components. That any of the listed DTC's may set with or without poor engine performance.
NHTSA source summary · Original PDF not reviewed by Recallfolio
This service bulletin provides diagnostic tips/steps on testing for possible EVAP leaks in the system to correct a customer concern of an MIL Illuminated with DTCs P0442 and/or P0455 Set.
NHTSA source summary · Original PDF not reviewed by Recallfolio
This service bulletin provides graphics, information and guidelines for engine component wear to assist service personnel as a guideline to perform necessary engine repairs and prevent unnecessary engine replacement.
NHTSA source summary · Original PDF not reviewed by Recallfolio
This Warranty Admin service bulletin provides guidelines for Dealers Not Required and for Dealers Required to Contact the PQC for engine or transmission assembly replacement and explains the PQC process, GWM Transaction submission, vehicle service record retention and proper handling of assembly returns for Canadian Dealers only.
Source components: ENGINE AND ENGINE COOLING · POWER TRAIN.
NHTSA source summary · Original PDF not reviewed by Recallfolio
This Preliminary information communicates a "Forward Collision System Reduced" message displayed on the DIC when the Forward Automatic Braking has been set to the "Alert" setting. This is normal when the FAB has been set to "Alert".
NHTSA source summary · Original PDF not reviewed by Recallfolio
This Preliminary information communicates and issues with Fuse F49 blowing causing a SES MIL and a Service Theft Deterrent System message displayed in the DIC. It instructions dealership to inspect the 12 volt power accessory port for shorting out.
Source components: ELECTRICAL SYSTEM · POWER TRAIN.
NHTSA source summary · Original PDF not reviewed by Recallfolio
This service bulletin provides information to dealership personnel that after performing a brake inspection, brake pad replacement, or any other repair that requires the caliper piston to be reseated may be causing DTC C05B0 to falsely set for eBoost applications.
NHTSA source summary · Original PDF not reviewed by Recallfolio
This Preliminary Information communication provides information to the technician that General Motors Technical Assistance Center may ask for Global Diagnostic System 2 Session Log. Technician will need use Global Diagnostic System 2 to send the session logs to General Motors Technical Assistance Center for further assistance on the vehicle in question.
NHTSA source summary · Original PDF not reviewed by Recallfolio
This Preliminary Information communication provides information to the technician that General Motors Technical Assistance Center may ask for Global Diagnostic System 2 Session Log. Technician will need use Global Diagnostic System 2 to send the session logs to General Motors Technical Assistance Center for further assistance on the vehicle in question.
NHTSA source summary · Original PDF not reviewed by Recallfolio
This Preliminary information communicates an issues with the odometer being incorrect after a programming event and how the dealership can resolve the issue.
NHTSA source summary · Original PDF not reviewed by Recallfolio
This Preliminary Information communication provides information to the technician about changing the tire and wheel size on vehicles. General Motors will only support a tire calibration for tires that have been sized, tested and designed for the vehicle in question and its applications. Technician should not use the information that is provided by the antilock braking system tire size selection.
NHTSA source summary · Original PDF not reviewed by Recallfolio
This Preliminary information communicates a diagnostic tip on how to resolve a issue if the serial data authentication configuration did not complete correctly.
NHTSA source summary · Original PDF not reviewed by Recallfolio
This service bulletin provides repair information to correct a customer concern of DTC B1038 SYM64 set in the BCM and Door Ajar Message on Driver Information Center (DIC).
Source components: ELECTRICAL SYSTEM · LATCHES/LOCKS/LINKAGES.
NHTSA source summary · Original PDF not reviewed by Recallfolio
This bulletin advises the technician to Inspect the position of the head gasket locating tabs to determine if the head gasket(s) has been possibly installed backwards to correct a concern of an Engine Thermostat Tick Noise and/or Running Hot.
NHTSA source summary · Original PDF not reviewed by Recallfolio
This bulletin provides information on Policies Applicable to All U.S. Dealers for Engine and Transmission Assembly Replacement Under Warranty, Policy or Customer Enthusiasm and information on Submission of Warranty Transaction in Global Warranty Management.
Source components: ENGINE AND ENGINE COOLING · POWER TRAIN.
NHTSA source summary · Original PDF not reviewed by Recallfolio
This service bulletin provides a diagnostic procedure to aid in correcting a customer concern of a Howling, Whining/Whirring Noise, Shudder/Vibration and/or Grinding Noise While in 4HI, 4HI Auto and/or During Parking Lot Maneuvers in Auto Mode.
NHTSA source summary · Original PDF not reviewed by Recallfolio
This technical bulletin provides a procedure to remove the conduit from the harness for the accelerometer to correct the condition of Message âService Suspension Systemâ Displayed and/or DTC C102Exx.
Source components: ELECTRICAL SYSTEM · SUSPENSION.
NHTSA source summary · Original PDF not reviewed by Recallfolio
This Preliminary Information communication provides information to the technician with additional information on the functionality of Lane Keep Assist. Starting with 2016 model year Lane Keep Assist Regular Production Option Code (UHX) replaced Lane Departure Warning Regular Production Option Code (UFL). Lane Keep Assist is designed to assist the driver in keeping the vehicle from drifting out of a driving lane that has clearly identified markings. The electric power steering provides a gentle steering correction if a lane marking has been crossed and the driver has not actively responded.
NHTSA source summary · Original PDF not reviewed by Recallfolio
This technical bulletin provides repair information to correct a customer concern of the Rear Washer System Inoperative, or Boot to Washer Hose Disconnection and Possible Hose Leaking.
NHTSA source summary · Original PDF not reviewed by Recallfolio
This Preliminary information communicates an issue with the GDS2 scan tool not being able to communication with the front view camera module and provides a work around until GDS2 is fixed.
Source components: BACK OVER PREVENTION · ELECTRICAL SYSTEM.
NHTSA source summary · Original PDF not reviewed by Recallfolio
This information advises the technician the difference between a welch cap leak and the output seal of the t-case or transmission leaking ATF causing the customers concern.
NHTSA source summary · Original PDF not reviewed by Recallfolio
This service bulletin provides service information to technicians on guidelines to replace Oil Cooler, Oil Cooler Lines and Oil Tank if the engine was replaced where large amounts of debris has flowed throughout the oiling system.
NHTSA source summary · Original PDF not reviewed by Recallfolio
This preliminary informational bulletin provides frame coating repair information to correct a customer concern of wax coating on frame peeling, metal shows corrosion/rusting (U.S. and Canada Only).
NHTSA source summary · Original PDF not reviewed by Recallfolio
This technical bulletin provides a procedure to flush the cooler lines to validate if there is excessive debris in the fuel system caused by a failed part.
Source components: ENGINE AND ENGINE COOLING · FUEL SYSTEM, DIESEL.
NHTSA source summary · Original PDF not reviewed by Recallfolio
This service bulletin provides repair information on release of Radio Software Version V160 Update to correct customer concerns of radio software issues.
NHTSA source summary · Original PDF not reviewed by Recallfolio
This technical bulletin provides a procedure to remove the conduit from the harness for the accelerometer to correct the condition of Message âService Suspension Systemâ Displayed and/or DTC C102Exx.
Source components: ELECTRICAL SYSTEM · SUSPENSION.
NHTSA source summary · Original PDF not reviewed by Recallfolio
This Preliminary information communicates an issues with the odometer being incorrect after a programming event and how the dealership can resolve the issue.
NHTSA source summary · Original PDF not reviewed by Recallfolio
This Preliminary information communicates an issue with the air leveling suspension losing air pressure in very cold temperatures while sitting for several hours. Dealers are to replace both the front air springs.
NHTSA source summary · Original PDF not reviewed by Recallfolio
This bulletin advises the technician to Inspect the position of the head gasket locating tabs to determine if the head gasket(s) has been possibly installed backwards to correct a concern of an Engine Thermostat Tick Noise and/or Running Hot.
NHTSA source summary · Original PDF not reviewed by Recallfolio
This service bulletin provides a procedure to repair a customer concern of Stop/Start System Inhibited / IBS / Battery Monitor with Module Malfunction Indicator Light (MIL) Illuminated - DTC U152D, P15FF, P305D, P305E, U01B0 Set.
Source components: ELECTRICAL SYSTEM · ENGINE AND ENGINE COOLING.
NHTSA source summary · Original PDF not reviewed by Recallfolio
This Preliminary information communicates to the dealer technician that if the vehicle's engine coolant reservoir has transmission fluid in it or if Glycol it found in the transmission fluid the dealer should replace the Automatic Transmission Fluid Cooling Exchanger. The dealer should refer to bulletin 08-07-30-035 for the recommended components that should be replaced in the transmission and to flush the engine cooling system following service information.
Source components: ENGINE AND ENGINE COOLING · POWER TRAIN.
NHTSA source summary · Original PDF not reviewed by Recallfolio
This Preliminary information communicates that a customer may notice that the gridlines on the backup camera are very dim. They may mention that this occurred after an OTA update. The dealer technician is advised to perform no repairs. The technician is advised that engineering is looking into a resolution and the resolution will be communicated through this PI or a bulletin when it becomes available.
Source components: BACK OVER PREVENTION: SENSING SYSTEM: CAMERA.
NHTSA source summary · Original PDF not reviewed by Recallfolio
This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to the roof panel joint finish molding being detached and/or loose from the roof retaining clip.