https://plaincars.com/make/gmc-g20 New NHTSA complaints and recalls filed for the GMC G20. en-us Sun, 18 Oct 2026 03:29:19 GMT https://plaincars.com/make/gmc-g20 https://plaincars.com/make/gmc-g20#complaint-438651 Mon, 03 Nov 2003 00:00:00 GMT AUTOMATIC TRANSMISSION SUN GEAR HAS A HIGH RATE OF FAILURE, PER DEALERSHIP. WHEN IT FAILS REVERSE GEAR MALFUNCTIONS, AND THEN ALL OTHER GEARS FAIL TO FUNCTION. DEALERSHIP INDICATED THAT TRANSMISSION NEEDED REINFORCEMENT BY USING THICKER MATERIAL FOR THE COLLAR SPINE. THIS PART FAILED TWICE WITHIN 11,000 MILES. *AK https://plaincars.com/make/gmc-g20 https://plaincars.com/make/gmc-g20#complaint-416508 Mon, 07 Jul 2003 00:00:00 GMT WHEN BRAKING ON A HILL BRAKE PEDAL GOES TO THE FLOOR. CAUSE UNKNOWN. *AK https://plaincars.com/make/gmc-g20 https://plaincars.com/make/gmc-g20#complaint-195477 Thu, 03 Feb 2000 00:00:00 GMT WHILE DRIVING ON WET ROAD TRAVELING 35MPH, APPLIED BRAKES, AND THERE WERE NO BRAKES. WENT STRAIGHT THROUGH AN INTERSECTION. ON HIGHWAY AT 45-50MPH AND EXITING OFF THE RAMP, HIT GRAVEL A VEHICLE STOPPED AHEAD. CONSUMER HAD TO QUICKLY APPLY BRAKES. BUT, AGAIN THERE WERE NO BRAKES. CONTACTED DEALER, THEY COULD NOT FIND THE CAUSE. *AK https://plaincars.com/make/gmc-g20 https://plaincars.com/make/gmc-g20#complaint-159574 Thu, 22 Jul 1999 00:00:00 GMT WHEN APPLYING THE ABS BRAKES ON DRY PAVEMENT PEDAL NEARLEY WENT TO THE FLOOR, CAUSING EXTENDED STOPPING DISTANCE . PLEASE GIVE ANY FURTHER DETAILS. *AK https://plaincars.com/make/gmc-g20 https://plaincars.com/make/gmc-g20#complaint-55195 Mon, 16 Sep 1996 00:00:00 GMT BRAKE FAILURE, WHEN DRIVING AT ANY SPEED, APPLIED THE ABS BRAKES VEHICLE PULLED VERY HARD, CAUSING LOSS OF CONTROL. *AK