There are 5 stored owner reports matching the brakes leading-label group for the 2009 Pontiac G8 in our NHTSA-sourced dataset. These are unverified consumer reports and may not reflect confirmed defects.
This group counts stored reports whose component label starts with one of this site's matching prefixes, ignoring case. Each matching report counts once within the group. Components mentioned later in the label or only in the narrative are not searched. How component counts work
Loaded 5 of 5 matching reports.
Open the full vehicle complaint log (all categories)ABS LIGHTS. *TR
TL* THE CONTACT OWNS A 2009 PONTIAC G8. THE CONTACT STATED THAT THE HOSE AROUND THE BRAKE LINE WAS CRACKED AND CAUSED THE BRAKE LIGHT TO REMAIN ILLUMINATED. THE VEHICLE WAS TAKEN TO A LOCAL DEALER WHERE IT WAS DIAGNOSED THAT THE BRAKE PEDAL POSITION SENSOR SWITCH WAS IN THE ON POSITION. THE MANUFACTURER STATED THAT THERE WAS NO RECALL AND OFFERED NO ASSISTANCE. THE FAILURE WAS REMEDIED. THE FAILURE MILEAGE WAS NOT PROVIDED.
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. WHEN THE VEHICLE EXHIBITS THIS CONDITION, LOSS OF CONTROL OCCURS, AS ENGINE DELIVERS NO POWER TO TRANSMISSION AND CAR IS LIMITED TO 25MPH MAXIMUM SPEED. *TR
2009 PONTIAC G8GT WITH 13000 MILES NEEDS ALL FOUR ROTORS TURNED. UNBELIEVABLY POOR MATERIAL QUALITY FOR A HIGH PERFORMANCE VEHICLE. *TR
TL* THE CONTACT OWNS A 2009 PONTIAC G8. THE CONTACT STATED THAT WHILE DRIVING APPROXIMATELY 55 MPH ATTEMPTING TO ENGAGE THE BRAKES, THE VEHICLE JERKED AND VEERED TO THE LEFT WITHOUT WARNING. THE VEHICLE WAS TAKEN TO THE DEALER. THE TECHNICIAN DIAGNOSED THAT THE ROTORS AND CALIPERS NEEDED TO BE REPLACED. THE VEHICLE WAS REPAIRED. HOWEVER, THE FAILURE RECURRED. THE MANUFACTURER WAS NOTIFIED OF THE FAILURE. THE FAILURE MILEAGE WAS 36,000. UPDATED 12/19/14*CN UPDATED 09/28/2015*JS
Complaints are unverified consumer reports submitted to NHTSA. A high complaint count may reflect vehicle popularity, not defect severity. Data sourced from NHTSA public records.
NHTSA source checks for this vehicle year
Checks are recorded separately for each dataset, not for the whole page. Dates use UTC. A missing check date does not mean no records exist.
Vehicle import recorded: Apr 28, 2026. This is the stored import date, not confirmation that every source was successfully refreshed.