GMC Sonoma check engine light comes on

Filed Apr 13, 2012 · Brakes · 64,988 miles · LA

While braking for a yield intersection on 3/30/2012, approx. 10am, in dry and clear conditions, brakes on 2002 gmc sonoma failed. Vehicle would not stop despite hard pressure on the brake pedal and ran through intersection almost colliding with another vehicle. When managed to get vehicle stopped and pulled to side of road, both the ABS and brake failure warning lights were illuminated on the dash. Upon turning the ignition off and restarting, both the ABS and brake failure warning lights cleared and were no longer illuminated. Check engine light never illuminated. Took vehicle to both independent mechanic and gm dealership mechanic and both confirmed an odb ii trouble code of c0265 had been generated. This code, I was told, indicates failure of the ebcm (electronic brake control module) of the ABS system. Apparently, this problem is well-known to gm and it has issued several technical service bulletins on the problem, but no recalls. Independent mechanic could not replace the ebcm as lacked the proprietary gm software needed to program it. Gm dealership mechanic--while confirming generation of the c0265 trouble code--refused to replace the ebcm instead saying I should "just drive it around and see if the problem happens again." this seemed a very dismissive approach by gm to a known problem on certain of their ABS vehicles as the first brake failure on 3/20/2012 almost caused a wreck. Not anxious to find out what the second failure the gm dealer wants me to "wait for" would result in.

Filed Jan 4, 2011 · Acceleration, Fuel system · 156,000 miles · OK

Vehicle throttle sticks at 1500rpm and will stick above 1500rpm if downshifted or increasing speed. The only way to lower the RPM to idle is shift to neutral a n d come to a complete stop -- firmly holding brake to maximum depression and then only after a few second delay. Upon entering any gear [automatic xmsn] the RPM will again go to 1500, but if brake pedal remains depressed for about 10sec the RPM will go back to idle. Any slick roads or mountain/steep downhill driving is extremely hazardous! Check engine stays on and computer reading calls for replacement of a sensor which has been replaced 3 times. The directions say to let the new sensor "break in" by idling for 20 minutes minimum prior to driving. It does not work! This is a faulty design wherein a sensor or component malfunction results in throttle boost beyond operator control and is often at RPM's above 2500 !!! The malfunction is permanent and the incident occurs every day the vehicle is driven !!!

Filed Oct 28, 2009 · Fuel system · 54,348 miles · OH

Tl* the contact owns a 2003 gmc sonoma. While driving approximately 45 MPH the "check engine" warning light illuminated on the instrument panel. The vehicle was taken to an authorized dealer for inspection. The technician stated the failure was contributed to the fuel system; tank assembly filler pipe. The repair was performed on the vehicle at the cost of $1,959.00. The failure mileage was 54,348. The current mileage was 50,352. Updated 11/17/09 *bf the dealer discovered road salt had eaten around the fuel module. The fuel tank was replaced and the fuel pump was warped. Updated 11/1/8/09

Filed Nov 30, 2006 · Brakes · 111,111 miles · GA

Tonight, a rainy night in texas I had to brakes suddenly. Finally my ABS brakes worked properly .there was no heavy pull to the left swerving into the next lane, as it did from 2003-2005. There was pulsation from the braking mechanism that I never felt before like I told it should work. I didn't have to fight with the wheel to keep control. It never swerved like numerous times before out of the over 100 times my ABS brakes malfunctioned , this time finally it worked the way ABS should work during a wet bumpy road. Last year after many phone calls about my many issues,gm corp and the dealer finally was willing to check out my vehicle again with ABS brakes and other issues. I drove my vehicle at my cost from texas to georgia. The dealer reported my vehicle's issues were repaired. The drl issue (turns off while using the turn signal, stupid defect that they have in the manual. As if it normal. I still don't know any other car that does this ) the problem is still there but the electrical issue is gone. When I had the electrical problem it affected the entire vehicle over the time I had the truck. I even had my radio replaced over nine times. My last issue was the system not recognizing the check engine light being on and driving from ga to tx and back before it would go out. I drove 2000 miles. ....ABS brakes." what ever the dealer did to my car to repair the swerving issues. They need to do a recall for those people who have malfunctioning ABS brakes on the sonoma vehicle. There is a defect and it should be acknowledged. Mine was fixed after 3 years. These brakes were defective and dangerous until repaired. I have avoided many accidents by being very careful ; offensive and defensive driving. Have gm fix those faulty ABS brakes. Please note you can find my many complaints under gmc sonoma 2002.

Filed Oct 26, 2005 · Electrical, Engine · 49,300 miles · GA

Check engine light on was told air injector valve oper/solenoid replace. Drove 800 miles, took emissions test failed. Showed no codes. Was told by tech to try driving 100 miles. Or take to dealer, took to dealership charged diagnostic fee. Was told by them to drive 100 miles. Drove 150 returned next day. Still the codes are not showing. Want me to drive another 150 miles. Two codes are not showing. Took back to emissions provider, they showed me it was the 02 sensor and last test on the obd computer. I don't remember the name. Also please note my radio froze again playing on 1 station and showing another. Showed it to tech today. And also my brakes still giving same problem. Abs brakes still pulling vehicle. Bought new tires to help with the traction. But problem still same. Fuel was about 12 miles per gal. How many miles do I have to drive in order for the computer on the vehicle to respond. I've driven over 1000 (one thousand) since friday 10-21-05. What a lemon! I will be returning back to the dealership (chev) tomorrow after driving 150 miles. My daytime light still goes out when using turn signals.

Filed May 4, 2005 · Transmission · 78,000 miles · CA

I have a 2001 gmc sonoma which was bought new in 2002. The vehicle has 78k miles on it. At first the vehicle would have trouble starting. Then the transmission would slip when driven cold. After the service engine light came on, a code indicated that there were two shift solenoid malfunctions. Both shift solenoids were replaced. That two days ago. Today the truck started up, so the vehicle was assumed safe to drive. I was traveling down a busy road at about 40 MPH, with an 18 wheeler tractor trailer behind me, when the vehicle, without any indication of malfunction, shifted from overdrive to first gear (it is an automatic) thus resulting in an "engine braking" effect wihich slowed the vehicle down to about 25 MPH. This was very scary and luckily the vehicles behind me realized that there was a problem and had enough room to slow down. Though the problem is not yet known, it seems like there are alot "service bulletins" for this vehicle and its corporate cousin, the chevy s-10. Hopefully, this problem is solved before someone is killed from the failure. I will keep you posted on what parts were replaced/repaired from the dealer.

Filed Jan 26, 2005 · Fuel system · CA

Fuel pump, repairs costing over $2000.00 in the past 2 years. Still having problems. See that there is a history with this vehicle part so why hasn't there been a solution for all of us out here. This is ridiculouos. It's always the fuel pump when the check engine soon light comes on. Very fustrating for such low miles.

Filed Sep 9, 2004 · Engine · 35,000 miles · UT

In dec. Of 2003 the check engine light came on, so we took it in only to find we had oil in our radiator. At a cost of $800.00 we had it repaired. Well in sept. Of 2004 we saw something leaking from the vehicle, and again we have oil in our radiator.

Filed Mar 30, 2004 · Brakes, Engine · 27,340 miles · GA

Noticed a pull on the vehicle and noticed engine had stopped I was driving on the interstate going 285 north about 60 miles per hour. Had just turned on the air conditioner. Was able to coast and safely pull over to the exit. *ak engine would turn but not start. Had to be towed to dealership. Was safe because it was saturday afternoon, no traffic, per tech fuel pump sensor failure, thereafter had other problems ie, headlights out, daylight running lights out, had radio/cd player problems b4 engine failure, with intermittent changing of stations, radio comming on and off, service engine light on. Rt turn signal light fast blinking, since I purchased the vehicle there has always been a concern about the brakes. When hitting a bump in the road and braking, the car seems to roll instead of slowing or stopping,and I always feel if a vehicle was in front of me I would hit them. I have avoided many incidents being careful when I brake but during a passing conversation with a tech during oil change I discussed this problem. It was never documented. I mentioned my brake issue after the tech found the brake light on after engine service my brake concerns have never really been documented. They have checked the brakes and actually repaired them, they are working okay today. I am still having problems with blinking light on my radio,(new radio/cd by dealer) and daytime running lights going out again. I believe it is a computer problem or electrical short. This week my vehicle has been checked 3 times. Please note this vehicle did not overheat, have battery problems, the engine just cut off. Tech thinks I ran out of gas, defect in gauge. I dont think so. I keep all of my receipts. My vehicle was built april 2002 I purchased as new vechicle with 127miles can you tell me if there was a previous problem with this vehicle

Filed Mar 5, 2004 · Engine · 45,000 miles · MO

Check engine light came on. Dealer said air pump to catalytic converter failure. Approx $700.00 to replace. Not covered by manufacturer.