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International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for February 28, 2013
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Open Help Requests for GM
Help Request Answers
2005 Buick Rendezvous Ultra 3.6L all body sytems VIN: 3G5DB03755
Customer states vehicle was used to jump another vehicle. While the other vehicle was being started it made this vehicle stumble and shut off. After that when you turn the key to run, none of your normal key on instrument cluster lights come on except the righ...
1973 Cadillac Fleetwood 7.7L alternator VIN: 6B69R3B101
vehicle came in with new alt already installed. complaint was that after driving for awhile, that car had to set for hours before it would start again. i found charging to be [...] at 2k rpm. informed customer, he came picked up alt, returned with anothe...
2001 Cadillac DeVille 4.6L radio VIN: 1G6KD54Y01
Bought this 01 Caddy, and it has the radio message, "Locked. AntiTheft Active". Driver manual suggests that codes can be plugged in to clear the locked code. Online services tell me to turn the radio on, hold in program buttons 2-3 or 1-4 for ten seconds, and ...
2000 Chevrolet Astro 4.3L Misfire VIN: 1GNDM19W7Y
This problem is driving us nuts thankyou for the help in advance. This van misfires at times and it seems to only do it under wet conditions all the parts listed have been replaced in the last year by us, not necessarily chasing this problem, the misfire so fa... Trouble codes: P0300 (engine misfire), P0300 (engine misfire)
2004 Chevrolet Astro 4.3L Poor Idle Quality VIN: 1GNDM19X84
I appreciate your time and input on this. When driving vehicle and coming to a normal stop, engine RPM stays high. If you release the brake, van will take off at a pretty good clip. Customer has found that he can drop it into neutral and RPM will instantly dro...
2007 Chevrolet Equinox LT 3.4L Will not reset 3 mon VIN: 2CNDL73F87
Thanks in advance sorry not much info to digest. Need help with a starting point.this vehicle will not complete the ready moniters for evap ho2s and egr.i can control and initiate egr solinoid and vehicle will go thru evap service bay test and pass but still s...
2009 Chevrolet Cobalt LT 2.2L Reduced power/Limp M VIN: 1G1AT58H79
This is one of our company cars that we have sold. It was a rental. Customer said it first acted up in snowy/icy driving, traction control kicked on then it went into limp in mode with a P2135 code. Clear the code it runs fine. We drove it for a couple days ou... Trouble codes: P2135 (c0561-), C0561
2006 GMC Canyon SLT 3.5L 4WD light flashes VIN: 1GTDT13626
4wd light flashes in 4 hi, can hear the motor on the transfer case working, the front driveshaft going from the transfer case to the front differential does turn, the front axle does not engage Tried to pull codes from the transfer case module, cannot communi...
2001 Oldsmobile Bravada 4.3L Monitor VIN: 1GHDT13W21
I can't get the SAIR and CAT monitor to run. I have drove this car for three day. I have try following Mitchell drive cycle and no result. I wondering if PCM have anything to do with it. The only reason I need monitor to run it for CA SMOG. It only allow you t... Trouble codes: N0NE

Fixes & Summaries for GM
Fix/Summary Answers
2003 Chevrolet Blazer LS 4.3L front axle will not engage VIN: 1GNDT13X43
many thanks to all that took the time to respond i could not believe it that this thing made no noise when i found a broken shift fork.it seems to me that it would have made atleast alittle noise but in this world who knows.i thank each and every one of you fo...
2005 Chevrolet Cobalt LS 2.2L MIL Lamp on VIN: 1G1AL54F05
It tok a little while to get a solid response but a new post cat sensor fixed the problem. The only bad news is that now a cat efficiency code has popped up in its place and the vehicle is just out of it's warranty due to mileage. Isn't life just grand? I tri... Trouble codes: P0113.
2002 GMC Yukon SLE 5.3L ABS module VIN: 1GKEK13Z42
Thank you all for your help. I changed rear calipers and the problem was gone.
1997 Saturn SL1 1.9L turn signal VIN: 1G8ZH5284V
i havent had the time to look into it much. The test light into the fuse spot is a VERY good idea. I also am going to take the fuse box apart next
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