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International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for October 20, 2017
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Open Help Requests for GM
Help Request Answers
2002 Chevrolet S10 4.3L Ignition Lock VIN: 1GCCS19W12
Hello this vehicle came in with crank but won't start. Checked for codes. Found P1636, P 1336U 1041. Replaced the Computer, ignition switch, Ignition lock cylinder & the crank shaft position sensor. The U1041 is saying loss Ecbm Ebtcm Communication. that was t...
2005 Chevrolet Avalanche 1500 LT 5.3L MIL Lamp on VIN: 3GNEK12Z05
Im having trouble with a fuel compensation sensor on this truck.The sensor was replaced here last year so it was still under warrenty(I don't know why it was replaced)so I replaced that.Before I did anything I verified the scanner was showing 43hz.I need 45 to... Trouble codes: P0178
2008 Chevrolet Suburban 1500 LTZ 5.3L Misfire, MIL Lamp on, No misfires felt VIN: 3GNFK16368
As stated in the repair history, the engine was replaced due to mileage with only a PO304 misfire code set due to the collapsed DOD lifter. A Jasper reman engine was installed with new GM cam and crank sensors along with new plugs. The oil pan, timing cover an... Trouble codes: P0300
2011 GMC Canyon SLE 2.9L MIL Lamp on VIN: 1GTC5LF94B
This vehicle was brought in with secondary air pump running at all times) we disconnected the air pump to test pcm and relay operation and all seems normal applies correctly and relay shuts off when commanded The air pump was running at all times even with key... Trouble codes: P0411

Fixes & Summaries for GM
Fix/Summary Answers
2011 Chevrolet Silverado 1500 LTZ 5.3L power steering assist VIN: 3GCPCTE01B
thanx for all the replies i fllushed the fluid and [...] the ps pump it was better but the customer wasnt real happy im not sure anything wou;d have completely satisfied her!!!
2012 Chevrolet Express 2500 4.8L blower motor and compressor VIN: 1GCWGFFA0C
Customer never returned the van, but I want to thank the 2 replies I got. Thanks troy and bill, I checked the ground and checked the coolant temp sensor, both were good.there were no codes stored.
2010 GMC Acadia SLT 3.6L rotors rear VIN: 1GKLVMED8A
Vehicle has not returned for re-inspection, will recheck front end when she comes back in. Thanks for all the advice
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