2009 Pontiac G8 Electrical system Problems
- Complaints
- 20about this part
- Share
- 14%of 144 total for the year
- Median mileage
- 35,600miles
- Trend
- FallingComplaints filed in the last 3 full calendar years are at least 25% lower than in the 3 years before.
NHTSA recorded 20 complaints about the electrical system of the 2009 Pontiac G8, 14% of the 144 complaints for this model year. Where a mileage was given, the median is 35,600 miles. 1 of these say a crash was involved, according to the filers. 1 recall campaign on record is filed under a similar system.
Example complaints
Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.
“Our 2009 Pontiac G8 gt with 54,000 miles starting having the air bag fault light show up during startup of the vehicle. This fault stayed illuminated at all times. I researched this fault on the internet, including Pontiac forums, and found that there was a significant amount of other Pontiac G8 owners that have had a similar fault. I also found on the internet that there was a large amount of GM products that has the same fault. I found that the majority of the findings on the internet stated that the issue was the passenger presence module and/or sensor. …”
NHTSA complaint #10584996, filed 2014-04, 54,000 miles“The air bag fault light came on in our 2009 Pontiac G8. The car has only 41,000 miles. Why would air bag system fail? It has no accidents and low miles. Took to dealer quality chevrolet in escondido california to have the codes read as my reader would not display them. Dealer said they would diagnose it for $115.14. Dealer kept it two days as they said they were too busy with GM ignition key recall and didn't have time to read the error codes. The second day, dealer said bad news , you will need to pay us an additional $1,041.00 to replace the passenger seat presence module. …”
NHTSA complaint #10583422, filed 2014-04, 41,361 miles“Brake lights will illuminated - when the brake paddle is pushed up the brake lights will turn off for a short time and than illuminate again. This happens when the vehicle is stationary, in motion, on a city street and on the highway.”
NHTSA complaint #11327683, filed 2020-06, 79,000 miles“First occurred n 11/23/2009. On the interstate it loses all power, engine shuts down, ignition stops, power steering stops, brakes fail - complete vehicle stoppage and full operating systems shut down without warning at 70 MPH, twice! Second occurrence was 1/26/2010.”
NHTSA complaint #10308246, filed 2010-02, 17,150 miles“Vehicle will suddenly throw ABS/traction control/brake system/airbags failure notices; vehicle then goes into limp mode and the transmission locks into first gear. Has occurred 3 times, dealership unable to diagnose or repair. They have cleared all mil/DTC codes and re-flashed ECM 3 times. The problem has occurred once on the interstate in heavy traffic at 70mph and twice on city streets in rush hour traffic, with significant chance for accident/crash. …”
NHTSA complaint #10414804, filed 2011-07, 40,000 milesRelated recalls
- 14V540000Sep 9, 2014General Motors LLC (GM) is recalling certain model year 2011-2013 Chevrolet Caprice vehicles manufactured October 15, 2010, to December 6, 2013, and 2008-2009…Covers: Pontiac G8 2008–2009, Chevrolet Caprice 2011–2013
Related service bulletins
- 11006621Aug 26, 2024Vehicle Wide Programming (VWP) is a new process to update software on GM Vehicles. It provides the ability via a single selection within Techline Connect to first identify which…
- 11007116Aug 6, 2024This bulletin provides information on identifying Non-GM Engine Calibrations for Gasoline Engines using the Tech 2 or GDS 2.
- 11002312Jun 6, 2024This service bulletin provides information for dealers/technicians on Service Programming System (SPS) Error Codes E4398, E4399, E4401, E4403, M4404, M4413, M6954, M6955, E4414…
- 11000162Apr 30, 2024The intent of this service bulletin is to identify aftermarket ALDL or DLC interface devices as potential sources for causing multiple customer concerns that do not have other…
- 10252735Mar 28, 2024This bulletin provides information for electrical ground repairs using new General Motors replacement fasteners with conductive finish.
- 10249535Jan 8, 2024This preliminary information (PI) provides information om Service Programming System (SPS) Error Codes (E4398, E4399, E4403, M4404, M4413, M6954, M6955, E4414, E4423, E4491 or…
- 10244214Sep 21, 2023This informational bulletin provides information for the IPC odometer programming method quick reference guide.
- 10240359Jul 31, 2023This bulletin provides information on identifying Non-GM Engine Calibrations for Gasoline Engines using the Tech 2 or GDS 2.
- 10239102Jun 29, 2023The intent of this service bulletin is to identify aftermarket ALDL or DLC interface devices as potential sources for causing multiple customer concerns that do not have other…
- 10222776Sep 16, 2022The intent of this service bulletin is to identify aftermarket ALDL or DLC interface devices as potential sources for causing multiple customer concerns that do not have other…
Electrical system: other model years
| Year | Complaints | Share of year |
|---|---|---|
| 2009 | 20 | 14% |
| 2008 | 14 | 20% |
Other parts of the 2009 Pontiac G8
69 complaintsSuspension
20 complaintsBrakes
9 complaintsTransmission and drivetrain
9 complaintsExterior lighting
7 complaintsElectronic stability control
6 complaintsSteering
6 complaintsTires
6 complaintsFuel system
5 complaintsSeats
5 complaintsSeat belts
4 complaintsBody and structure
4 complaints
← All problems reported for the 2009 Pontiac G8
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 30, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.
To check a specific vehicle for open recalls, use its VIN at nhtsa.gov/recalls. Methodology