There are 5 owner-reported brakes complaints for the 2009 Pontiac G8in NHTSA's database. These are unverified consumer reports and may not reflect confirmed defects.
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.
Data synced from NHTSA on Apr 25, 2026