The vehicle dossier US · 2004

2004 GMC
SIERRAProblems & recalls

188 distinct owner reports in the NHTSA snapshot. Brakes appears in 72 of them. Explore what was reported—and which official actions are on file.

Snapshot Sep 28, 2026Live NHTSA complaint API How this dossier is compiled

01 / Owner-reported evidence

What owners reported.

Categories attached to 188 distinct reports. A report can mention more than one component, so category totals can overlap.

Brakes72 reports
Electrical system39 reports
Other components29 reports
Transmission & drivetrain18 reports
Steering14 reports
Body & structure9 reports
Engine9 reports
Fuel system8 reports
Visibility7 reports
Air bags5 reports
Suspension3 reports
See original component labels
SERVICE BRAKES44
ELECTRICAL SYSTEM18
ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL18
SERVICE BRAKES, HYDRAULIC17
POWER TRAIN:AUTOMATIC TRANSMISSION12
STEERING8
SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP7
VEHICLE SPEED CONTROL6
ENGINE5
STRUCTURE4
POWER TRAIN4
AIR BAGS:FRONTAL4
ENGINE AND ENGINE COOLING:ENGINE:DIESEL3
VISIBILITY:REARVIEW MIRRORS/DEVICES:EXTERIOR3
FUEL/PROPULSION SYSTEM3
PARKING BRAKE2
WHEELS:HUB2
VEHICLE SPEED CONTROL:CRUISE CONTROL2
SERVICE BRAKES, HYDRAULIC:POWER ASSIST2
TIRES2
SEAT BELTS:FRONT2
UNKNOWN OR OTHER2
ELECTRICAL SYSTEM:WIRING:INTERIOR/UNDER DASH2
SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP:WHEEL SPEED SENSOR/TONE RING2
EQUIPMENT2
EXTERIOR LIGHTING:HEADLIGHTS:HIGH/LOW BEAM DIMMER SWITCH1
POWER TRAIN:TRANSFER CASE (4-WHEEL DRIVE)1
EXTERIOR LIGHTING:TURN SIGNAL1
EXTERIOR LIGHTING:TURN SIGNAL:SWITCH1
EXTERIOR LIGHTING:HAZARD FLASHING WARNING LIGHTS:SWITCH1
EXTERIOR LIGHTING:HAZARD FLASHING WARNING LIGHTS1
STEERING:GEAR BOX:SHAFT SECTOR1
FUEL SYSTEM, GASOLINE:DELIVERY:FUEL PUMP1
WHEELS:RIM1
SEATS:FRONT ASSEMBLY:POWER ADJUST1
ELECTRICAL SYSTEM:WIRING1
VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM:FAN/MOTOR1
VISIBILITY:WINDSHIELD1
STEERING:GEAR BOX:SHAFT PITMAN1
STEERING:COLUMN LOCKING:ANTI-THEFT DEVICE1
SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:DISC:ROTOR1
STRUCTURE:FRAME AND MEMBERS1
SUSPENSION:FRONT:SPRINGS:TORSION BAR1
SUSPENSION:FRONT:CONTROL ARM1
TIRES:TREAD/BELT1
EXTERIOR LIGHTING1
SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:DISC1
STEERING:COLUMN1
TIRES:VALVE1
STEERING:RACK AND PINION1
SUSPENSION:FRONT:CONTROL ARM:LOWER ARM1
STRUCTURE:BODY:HOOD:HINGE AND ATTACHMENTS1
SUSPENSION1
SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:HOSES, LINES/PIPING, AND FITTINGS1
POWER TRAIN:CLUTCH ASSEMBLY1
LATCHES/LOCKS/LINKAGES:DOORS:LATCH1
STEERING:RACK AND PINION:PINION SHAFT1
FUEL SYSTEM, DIESEL1
VISIBILITY:WINDSHIELD WIPER/WASHER:MOTOR1
ELECTRICAL SYSTEM:WIRING:FRONT UNDERHOOD1
FUEL SYSTEM, OTHER1
POWER TRAIN:AUTOMATIC TRANSMISSION:LEVER AND LINKAGE:COLUMN SHIFT1
ENGINE AND ENGINE COOLING:ENGINE1
VISIBILITY1
FUEL SYSTEM, GASOLINE:DELIVERY:HOSES, LINES/PIPING, AND FITTINGS1
EQUIPMENT ADAPTIVE/MOBILITY1
STRUCTURE:BODY:TAILGATE1
WHEELS1
STRUCTURE:BODY:DOOR1
STRUCTURE:BODY1
FUEL SYSTEM, GASOLINE1
VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM:WINDSHIELD:ELECTRICAL HEATING ELEMENT1
AIR BAGS1

These are reports made to NHTSA, not verified diagnoses. More reports can reflect more vehicles, more time on the road, or greater reporting activity.

The reporting timeline

When reports arrived.

Reports by year filed, not by the year a problem occurred. Showing the latest 13 years with reports.

Year filed (last two digits)Latest report: Feb 5, 2016
Mileage, where supplied

49,752 miles is the median among 151 reports with usable mileage. The middle half spans 20,000–84,375 miles.

This describes the submitted reports. It does not predict when a vehicle will fail.

02 / Official safety campaigns

10 recall campaigns on file.

A campaign can cover only certain production dates or configurations. The count does not tell you whether an individual car has an open recall.

May 11, 2009 Safety recallEXTERIOR LIGHTING:HEADLIGHTSCampaign 09E025000

Reported concern

DOPE, INC. IS RECALLING 42,540 COMBINATION CORNER AND BUMPER LAMP ASSEMBLIES OF VARIOUS PART NUMBERS SOLD FOR USE AS AFTERMARKET EQUIPMENT FOR VARIOUS PASSENGER VEHICLES. THESE HEADLAMPS FAIL TO CONFORM TO THE REQUIREMENTS OF FEDERAL MOTOR VEHICLE SAFETY STANDARD NO. 108, "LAMPS, REFLECTIVE DEVICES, AND ASSOCIATED EQUIPMENT." THESE LAMPS DO NOT CONTAIN THE REQUIRED AMBER SIDE REFLECTORS.

Manufacturer’s stated response

DOPE, INC. WILL NOTIFY OWNERS AND OFFER A FULL REFUND FOR THE NONCOMPLIANT COMBINATION LAMPS. THE SAFETY RECALL BEGAN ON JULY 28, 2009. OWNERS MAY CONTACT DOPE, INC. AT 1-626-272-1798.

Read campaign 09E025000 at NHTSA
Aug 28, 2007 Safety recallEQUIPMENT:ELECTRICALCampaign 07E066000

Reported concern

CERTAIN CEQUENT 90 DEGREE 7-WAY RIGHT ANGLE ADAPTORS SOLD BY DISTRIBUTORS IN TOW PACKAGES FOR AFTERMARKET SALES TO TOW 5TH WHEEL RV TRAVEL TRAILERS. DUE TO INCORRECT WIRING OF THE HARNESS, THE TRAILER LIGHTS MAY NOT OPERATE PROPERLY.

Manufacturer’s stated response

ALL OF THE DEFECTIVE TOW PACKAGES ARE STILL AT THE DISTRIBUTOR LEVEL AND HAVE NOT BEEN SOLD TO ANY CONSUMERS.

Read campaign 07E066000 at NHTSA
Aug 3, 2006 Safety recallENGINE AND ENGINE COOLINGCampaign 06V289000

Reported concern

ON CERTAIN TRUCKS EQUIPPED WITH AN 8.1L V8 (RPO L8-VIN G) ENGINE HAVE A CONDITION IN WHICH THE ENGINE FUEL RAIL PULSE DAMPER RETAINER CLIP MAY FRACTURE RESULTING IN INADEQUATE RETENTION OF THE DAMPER.

Manufacturer’s stated response

DEALERS WILL REPLACE THE ENGINE FUEL RAIL PULSE DAMPER RETAINER CLIP FREE OF CHARGE. THE RECALL BEGAN ON AUGUST 31, 2006. OWNERS MAY CONTACT CHEVROLET AT 1-800-630-2438 AND GMC TRUCKS AT 1-866-996-9463.

Manufacturer campaign: 06080

Read campaign 06V289000 at NHTSA
Apr 22, 2005 Safety recallSEAT BELTS:REAR/OTHERCampaign 05V163000

Reported concern

ON CERTAIN CREW CAB PICKUP TRUCKS AND SPORT UTILITY VEHICLES, THE 2ND ROW CENTER OCCUPANT SEAT BELT ROUTING MAY MAKE IT DIFFICULT TO POSITION THE LAP PORTION OF THE SAFETY BELT LOW AROUND THE HIPS OF OCCUPANTS, ESPECIALLY SMALLER OCCUPANTS, SEATED IN THIS POSITION. APPROPRIATE USE OF A CHILD SEAT OR BOOSTER SEAT, AS RECOMMENDED FOR SMALL CHILDREN, DOES IMPROVE THE FIT CONDITION FOR THIS USER GROUP. IN ADDITION TO INSTRUCTIONS ON PROPER INFANT AND YOUNG CHILD RESTRAINT (WITH CHILD SEATS OR BOOSTERS), SPECIAL VERBIAGE FOR RESTRAINING OLDER CHILD IS INCLUDED IN THE OWNER'S MANUAL. ALSO, THE SUGGESTED SEAT BELT FIT/ROUTING FOR ADULTS, IRRESPECTIVE OF SEATING POSITION, IS DESCRIBED IN THE OWNER'S MANUAL TEXT.

Manufacturer’s stated response

DEALERS WILL CUT OPEN THE GUIDE LOOP, REMOVE A PORTION OF THE LOOP, AND THEN THE REMAINING TWO SIDES SHOULD BE FOLDED OVER AND SECURED WITH A RETAINER FREE OF CHARGE. THE RECALL BEGAN ON JULY 21, 2005. OWNERS MAY CONTACT CADILLAC AT 1-866-982-2339, CHEVROLET AT 1-800-630-2438, GMC AT 1-866-996-9463, OR HUMMER AT 1-800-732-5493.

Manufacturer campaign: 05037

Read campaign 05V163000 at NHTSA
Apr 22, 2005 Safety recallPARKING BRAKECampaign 05V161000

Reported concern

ON CERTAIN PICKUP TRUCKS EQUIPPED WITH MANUAL TRANSMISSIONS AND BUILT WITH EITHER PBR PARKING BRAKE SYSTEMS OR TRW PARKING BRAKE SYSTEMS, THE PARKING BRAKE FRICTION LININGS MAY WEAR TO AN EXTENT WHERE THE PARKING BRAKE CAN BECOME INEFFECTIVE IN IMMOBILIZING A PARKED VEHICLE.

Manufacturer’s stated response

DEALERS WILL INSTALL A LOW-FORCE SPRING CLIP RETAINER FOR VEHICLES EQUIPPED WITH A PBR PARKING BRAKE SYSTEM. ON VEHICLES EQUIPPED WITH THE TRW PARKING BRAKE SYSTEM, DEALERS WILL INSTALL A REDESIGNED PARKING BRAKE CABLE ASSEMBLY. THE RECALL BEGAN ON JULY 29, 2005. OWNERS MAY CONTACT CHEVROLET AT 1-800-630-2438 OR GMC AT 1-866-996-9463.

Manufacturer campaign: 05042

Read campaign 05V161000 at NHTSA
Feb 8, 2005 Safety recallSERVICE BRAKES, HYDRAULICCampaign 05V043000

Reported concern

CERTAIN TRUCKS, SPORT UTILITY VEHICLES, AND VANS EQUIPPED WITH BOSCH HYDRO-BOOST BRAKE ASSEMBLIES, THE HYDRAULIC BRAKE BOOSTER PRESSURE ACCUMULATOR MAY CRACK AND SEPARATE FROM THE HYDRO-BOOST ASSEMBLY DURING NORMAL OPERATING CONDITIONS.

Manufacturer’s stated response

DEALERS WILL TEST THE HYDRO-BOOST ASSEMBLY FOR FUNCTIONAL OPERATION OF THE TWO-FUNCTION VALVE. IF THE HYDRO-BOOST ASSEMBLY FAILS THE TEST, DEALERS WILL REPLACE THE ASSEMBLY FREE OF CHARGE. THE RECALL BEGAN ON MARCH 23, 2005. OWNERS MAY CONTACT CHEVROLET AT 1-800-630-2438, GMC TRUCKS AT 1-866-996-9463 AND HUMMER AT 1-800-732-5493.

Manufacturer campaign: 05006

Read campaign 05V043000 at NHTSA
May 11, 2004 Safety recallSEAT BELTS:FRONT:ANCHORAGECampaign 04V225000

Reported concern

CERTAIN EXTENDED AND REGULAR CAB PICKUP TRUCKS AND CARGO VANS CONVERTED TO COMPRESSED NATURAL GAS (CNG) FAIL TO CONFORM TO THE REQUIREMENTS OF FEDERAL MOTOR VEHICLE SAFETY STANDARD NO. 225, 'CHILD RESTRAINT ANCHORAGE SYSTEMS.' THESE VEHICLES HAVE ONE SEATING POSITION, THE CENTER REAR SEAT, EQUIPPED WITH CHILD RESTRAINT LOWER ANCHORAGES.

Manufacturer’s stated response

TO BRING THE STANDARD CAB AND CARGO VAN VEHICLES INTO COMPLIANCE, DEALERS WILL INJECT EPOXY INTO THE AIR BAG OFF SWITCH TO PREVENT AIR BAG ACTIVATION, RELOCATE THE SWITCH BEHIND THE INSTRUMENT PANEL AND THEN INSTALL A COVER OVER THE RESULTING OPENING. THE SUN VISOR LABEL AND OWNER'S MANUAL WILL ALSO BE CHANGED. THE CORRECTION FOR THE EXTENDED CAB VEHICLE WILL CONSIST OF CHANGING THE FRONT PASSENGER SEAT TO A SEAT THAT HAS CHILD RESTRAINT LOWER ANCHORAGES. THE RECALL BEGAN ON SEPTEMBER 9, 2004. OWNERS SHOULD CONTACT CHEVROLET AT 1-800-630-2438 OR GMC AT 1-866-996-9463.

Manufacturer campaign: 04038

Read campaign 04V225000 at NHTSA
Mar 23, 2004 Safety recallEQUIPMENTCampaign 04E022000

Reported concern

AFTERMARKET PICKUP TRUCK OVER-THE-RAIL BEDLINERS MANUFACTURED FOR INSTALLATION ON 1999-2004 CHEVROLET SILVERADO AND GMC SIERRA PICKUP TRUCKS. THE TOGGLE WING ASSEMBLY USED TO ATTACH THE BEDLINER TO THE TRUCK BED IS NOT ENGAGING FULLY IN THE STAKE POCKET OF THE PICKUP TRUCK.

Manufacturer’s stated response

DURAKON WILL ISSUE A PRESS RELEASE IN ATTEMPT TO NOTIFY CUSTOMERS THAT COULD HAVE PURCHASED THE DEFECTIVE BEDLINER. IF YOU PURCHASED EITHER A DURAKON ALLSTAR OF PATRIOT OVERRAIL BEDLINER SINCE AUGUST 1, 2003, FOR 1999 TO 2004 CHEVROLET SILVERADO OR GMC SIERRA TRUCKS, OR PURCHASED ONE OF THESE PICKUP TRUCKS WITH EITHER BRAND BEDLINER ALREADY INSTALLED, YOU SHOULD RETURN TO AN AUTHORIZED DURAKON DEALER SO THAT THE BEDLINER CAN BE INSPECTED AND, IF NECESSARY, REPAIRED WITH A NEWLY DESIGNED TOGGLE WING FASTENING SYSTEM, OR IF REQUIRED, REPLACED WITH A NEW BEDLINER FREE OF CHARGE. PLEASE CALL THE DURAKON HOTLINE AT 1-800-933-4200 TO FIND THE NEAREST AUTHORIZED DURAKON DEALER.

Read campaign 04E022000 at NHTSA
Mar 17, 2004 Safety recallSTRUCTURE:BODY:TAILGATE:HINGE AND ATTACHMENTSCampaign 04V129000

Reported concern

ON CERTAIN PICKUP TRUCKS AND SPORT UTILITY VEHICLES, THE GALVANIZED STEEL TAILGATE SUPPORT CABLES THAT RETAIN THE TAILGATE IN THE FULL OPEN (HORIZONTAL) POSITION MAY CORRODE, WEAKEN, AND EVENTUALLY FRACTURE. IF BOTH CABLES FRACTURED, THE TAILGATE WOULD SUDDENLY DROP AND STRIKE THE TOP SURFACE OF THE REAR BUMPER.

Manufacturer’s stated response

DEALERS WILL REPLACE THE CABLES. INTERIM OWNER NOTIFICATION BEGAN ON APRIL 7, 20004. THE RECALL BEGAN ON SEPTEMBER 24, 2004, WHEN REPLACEMENT PARTS WERE AVAILABLE, AND WILL CONTINUE THROUGH OCTOBER 29, 2004. OWNERS SHOULD CONTACT CADILLAC AT 1-866-982-2339, CHEVROLET AT 1-800-630-2438 OR GMC AT 1-866-996-9463, OR VISIT WWW.MYGMLINK.COM, AND ENTER YOUR VEHICLE IDENTIFICATION NUMBER.

Manufacturer campaign: 04007

Read campaign 04V129000 at NHTSA
Feb 4, 2004 Safety recallSERVICE BRAKES, HYDRAULICCampaign 04V045000

Reported concern

CERTAIN SPORT UTILITY VEHICLES, PICKUP TRUCKS, AND PASSENGER VANS FAIL TO COMPLY WITH THE REQUIREMENTS OF FEDERAL MOTOR VEHICLE SAFETY STANDARD NO. 135, ?PASSENGER CAR BRAKE SYSTEMS.? SOME OF THESE VEHICLES WERE PRODUCED WITH AN OUT-OF-SPECIFICATION BRAKE HYDRO-BOOST HOUSING RELIEF VALVE BORE.

Manufacturer’s stated response

DEALERS ARE TO REPLACE THE HYDRO-BOOST RELIEF VALVE. THE RECALL BEGAN ON JUNE 18, 2004. OWNERS SHOULD CONTACT CADILLAC AT 1-866-982-2339; CHEVROLET AT 1-800-630-2438; GMC AT 1-866-996-9463; OR HUMMER AT 1-866-486-6376.

Manufacturer campaign: 04004

Read campaign 04V045000 at NHTSA
Check this car’s VIN at NHTSA

03 / The manufacturer’s record

Instructions. Updates. Responses.

563 distinct communications list this model-year. Showing the latest 12. A matching model-year does not establish that every engine, trim or reported symptom is covered.

Jul 17, 2017 Service Bulletin/Repair Instructions06-03-09-004HThis technical bulletin provides a procedure to lube the rear leaf springs on vehicles with the condition of a squeak noise originating from the rear of the vehicle.NHTSA ID 10108599

This technical bulletin provides a procedure to lube the rear leaf springs on vehicles with the condition of a squeak noise originating from the rear of the vehicle.

Components: SUSPENSION:REAR:SPRINGS:LEAF SPRING ASSEMBLY. Confirm detailed applicability in the original document.

Source record 10108599 at NHTSA
Feb 8, 2017 Service Bulletin/Repair InstructionsPIT3227MThis Preliminary Information communication provides information to the technician about vehicles that may have slack in one of the tailgate cables. Technician should not replace any parts for this concern. Please communicate to…NHTSA ID 10113406

This Preliminary Information communication provides information to the technician about vehicles that may have slack in one of the tailgate cables. Technician should not replace any parts for this concern. Please communicate to the customer this condition is a normal operating characteristic of their vehicle.

Components: STRUCTURE:BODY:TAILGATE. Confirm detailed applicability in the original document.

Source record 10113406 at NHTSA
Jan 31, 2017 Service Bulletin/Repair InstructionsPIT3665EThis Preliminary Information communication advises the technician that the Hydro-Boost is not serviceable and will need to be replaced if the brake pedal moves or applies on its own at a full turn.NHTSA ID 10113364

This Preliminary Information communication advises the technician that the Hydro-Boost is not serviceable and will need to be replaced if the brake pedal moves or applies on its own at a full turn.

Components: SERVICE BRAKES, HYDRAULIC:PEDALS AND LINKAGES. Confirm detailed applicability in the original document.

Source record 10113364 at NHTSA
Feb 23, 2016 Service Bulletin/Repair InstructionsPIC5953AThis Preliminary Information communication provides information to the technician about vehicles that may have an issue when using Bluetooth voice recognition with an iPhone. Technician should work with the customer to insure t…NHTSA ID 10114431

This Preliminary Information communication provides information to the technician about vehicles that may have an issue when using Bluetooth voice recognition with an iPhone. Technician should work with the customer to insure the phone contacts to not have any Emojis loaded to any contact.

Components: EQUIPMENT:ELECTRICAL. Confirm detailed applicability in the original document.

Source record 10114431 at NHTSA
Jan 27, 2016 Service Bulletin/Repair Instructions03-08-46-004RThis informational bulletin provides information on Part Restriction and Ordering Process Information for OnStar Vehicle Communication Interface Modules (VCIM) (GMNA Only)NHTSA ID 10112299

This informational bulletin provides information on Part Restriction and Ordering Process Information for OnStar Vehicle Communication Interface Modules (VCIM) (GMNA Only)

Components: EQUIPMENT:ELECTRICAL · EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING SYSTEM). Confirm detailed applicability in the original document.

Source record 10112299 at NHTSA
Jan 14, 2016 Service Bulletin/Repair Instructions06-06-01-010CThis informational bulletin provides information on close coupled converters and there affect on newly installed engines or engines during there break in period.NHTSA ID 10112272

This informational bulletin provides information on close coupled converters and there affect on newly installed engines or engines during there break in period.

Components: ENGINE. Confirm detailed applicability in the original document.

Source record 10112272 at NHTSA
May 29, 2015 Service Bulletin/Repair Instructions02-07-30-052JThis informational bulletin provides technicians with information regarding automatic transmission oil cooler flow test essential tool J-45096 TransFlow®.NHTSA ID 10113664

This informational bulletin provides technicians with information regarding automatic transmission oil cooler flow test essential tool J-45096 TransFlow®.

Components: POWER TRAIN:AUTOMATIC TRANSMISSION · POWER TRAIN:AUTOMATIC TRANSMISSION:COOLING UNIT AND LINES. Confirm detailed applicability in the original document.

Source record 10113664 at NHTSA
May 27, 2015 Service Bulletin/Repair Instructions05-06-04-035EThis informational bulletin provides dealership personnel with information on flexible fuel vehicles (FFVs) and the usage of E85 fuel in GM vehicles.NHTSA ID 10113662

This informational bulletin provides dealership personnel with information on flexible fuel vehicles (FFVs) and the usage of E85 fuel in GM vehicles.

Components: FUEL SYSTEM, OTHER. Confirm detailed applicability in the original document.

Source record 10113662 at NHTSA
May 15, 2015 Service Bulletin/Repair Instructions15-08-44-001AThis informational bulletin provides information on a GM of Canada OnStar® cellular communication upgrade.NHTSA ID 10113654

This informational bulletin provides information on a GM of Canada OnStar® cellular communication upgrade.

Components: EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING SYSTEM). Confirm detailed applicability in the original document.

Source record 10113654 at NHTSA
Apr 17, 2015 Service Bulletin/Repair InstructionsPIC4310LThis Preliminary Information communication provides information to the technician about vehicle that may have an OnStar system that has progression tones when pressing the blue or red button. Technician will need to call Genera…NHTSA ID 10114470

This Preliminary Information communication provides information to the technician about vehicle that may have an OnStar system that has progression tones when pressing the blue or red button. Technician will need to call General Motors Technical Assistance Center with the scan tool data from the OnStar system.

Components: ELECTRICAL SYSTEM · EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING SYSTEM). Confirm detailed applicability in the original document.

Source record 10114470 at NHTSA
Mar 2, 2015 Service Bulletin/Repair Instructions15-08-73-001This informational bulletin provides information on communication with OnStar® module after Canadian cellular upgrade.NHTSA ID 10113722

This informational bulletin provides information on communication with OnStar® module after Canadian cellular upgrade.

Components: EQUIPMENT:ELECTRICAL. Confirm detailed applicability in the original document.

Source record 10113722 at NHTSA
Mar 2, 2015 Service Bulletin/Repair Instructions15-08-44-001This informational bulletin provides information on a GM of Canada OnStar® cellular communication upgrade.NHTSA ID 10113720

This informational bulletin provides information on a GM of Canada OnStar® cellular communication upgrade.

Components: EQUIPMENT:ELECTRICAL. Confirm detailed applicability in the original document.

Source record 10113720 at NHTSA
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Records below contain the NHTSA bulk summary unless a document-reviewed explainer is linked. A service bulletin is not a safety recall or a promise of a free repair. Records may be revised or superseded; verify the current document with the manufacturer.

04 / Agency investigations

Official inquiries.

An investigation is an inquiry into a potential concern. Its presence does not establish a defect, and a closed case does not certify a car’s condition.

No investigation records matched this model-year in the snapshot.

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