2008-2009 Pontiac G8 Problems: 1 Known Issue
2008-2009 model years · NHTSA recalls, manufacturer TSBs, and owner forum reports · Updated November 2026
According to Au7o's research across NHTSA recalls, manufacturer TSBs, and owner forum reports, the 2008-2009 Pontiac G8 has 1 documented issue, with 1 rated critical. The most serious is G8 Fuel-Tank-Module Issues and Brake Lamp Switch Recall ($30-$800 repair). Across all issues with published estimates, repair costs range from $30 to $800. DIY maintenance guides at au7o.io.
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All 1 Known Issue
NHTSA Recalls4 recalls
SEAT BELTS
General Motors LLC (GM) is recalling certain model year 2011-2013 Chevrolet Caprice vehicles manufactured October 15, 2010, to October 22, 2013, and 2008-2009 Pontiac G8 vehicles manufactured July 25, 2007, to February 18, 2009. In the affected vehicles, the flexible steel cables that connect the seat belts to the vehicle at the outside of the driver seat and the front passenger seat may be bent from being sat on while entering the vehicle. This repeated bending may result in the cable breaking.
ELECTRICAL SYSTEM:IGNITION
General Motors LLC (GM) is recalling certain model year 2011-2013 Chevrolet Caprice vehicles manufactured October 15, 2010, to December 6, 2013, and 2008-2009 Pontiac G8 vehicles manufactured July 25, 2007, to February 18, 2009. In the affected vehicles, the driver may accidentally hit the ignition key with their knee, unintentionally knocking the key out of the run position, turning off the engine.
AIR BAGS:FRONTAL:SENSOR/CONTROL MODULE-INACTIVE
GENERAL MOTORS (GM) IS RECALLING CERTAIN MODEL YEAR 2008-2009 PONTIAC G8 VEHICLES MANUFACTURED FROM NOVEMBER 2, 2007 THROUGH JANUARY 22, 2009. A 5TH PERCENTILE FEMALE ANTHROPOMORPHIC TEST DEVICE (ATD) IN A 30 MPH FRONTAL BARRIER TEST EXCEEDED THE HEAD INJURY CRITERIA (HIC) REQUIREMENTS OF THE STANDARD. WITH THE FRONT PASSENGER SEAT POSITIONED FULL FORWARD, THE SEAT POSITION SENSOR WILL CAUSE A 30 MILLISECONDS DEPLOYMENT DELAY BETWEEN THE FIRST AND SECOND STAGES OF THE DUAL-STAGE FRONTAL PASSENGER AIR BAG.
SERVICE BRAKES, AIR:ANTILOCK:CONTROL UNIT/MODULE
GM IS RECALLING 35,038 MY 2008-2009 PONTIAC G8 VEHICLES FOR FAILING TO COMPLY WITH THE REQUIREMENTS OF FEDERAL MOTOR VEHICLE SAFETY STANDARD NO. 108, "LAMPS, REFLECTIVE DEVICES, AND ASSOCIATED EQUIPMENT" AND FEDERAL MOTOR VEHICLES SAFETY STANDARD NO. 138, "TIRE PRESSURE MONITORING SYSTEMS". THE BRAKE PEDAL POSITION SWITCH MAY HAVE BEEN INCORRECTLY PROGRAMMED. WITH THIS CONDITION, THE BRAKE LAMPS MAY BE CONTINUALLY ILLUMINATED AND FAIL TO WARN A FOLLOWING DRIVER WHEN THE VEHICLE IS BRAKING. ALSO CERTAIN VEHICLES MAY HAVE INCORRECT VALUES PROGRAMMED INTO THE TIRE PRESSURE MONITORING SYSTEM THAT WILL NOT ILLUMINATE THE LOW TIRE PRESSURE TELLTALE UNTIL TIRE PRESSURE FALLS BELOW VALUES REQUIRED BY THE STANDARD.
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Frequently Asked Questions
What are the most common Pontiac G8 problems?
According to Au7o's research across NHTSA recalls, manufacturer TSBs, and owner forum reports, the 2008-2009 Pontiac G8 has 1 documented issue. The documented issue is: G8 Fuel-Tank-Module Issues and Brake Lamp Switch Recall. Of these, 1 is rated critical and should be addressed promptly.
Is the Pontiac G8 reliable?
The 2008-2009 Pontiac G8 has 1 known issue compiled from NHTSA recalls, manufacturer TSBs, and owner forum reports. 1 issue is rated critical: G8 Fuel-Tank-Module Issues and Brake Lamp Switch Recall. Prospective buyers should inspect for these issues and factor potential repair costs into their purchase decision. Regular maintenance following the manufacturer's schedule helps prevent many common problems.
How much does it cost to fix common Pontiac G8 problems?
Repair costs for known Pontiac G8 issues range from $30 to $800, depending on the specific problem and whether you choose DIY or professional repair. The most critical issue, G8 Fuel-Tank-Module Issues and Brake Lamp Switch Recall, typically costs $30-$800 to repair. Au7o provides step-by-step DIY maintenance guides that can help reduce repair costs.
What is the 2008-2009 Pontiac G8 G8 Fuel-Tank-Module Issues and Brake Lamp Switch Recall?
The 2008-2009 G8 was the subject of multiple recalls including NHTSA 09V-172 (GM 09046/09101), in which the brake pedal position switch may have been incorrectly programmed so the brake lamps stay lit and fail to warn following drivers when braking; the same campaign corrected th… Repairs typically run $30-$800. Severity: high.
Content on this page was compiled with AI assistance using NHTSA complaints, TSBs, owner reports, and public automotive data. While we strive for accuracy, this information may contain errors. Always verify repair procedures and specifications with your vehicle's service manual or a qualified mechanic.