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International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for February 1, 2015
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Open Help Requests for GM
Help Request Answers
2008 Chevrolet HHR SS 2.0L Ecm VIN: 3GNCA73X38
This car will not crank.No trigger line to starter.Also no communication with ecm, or anything else on high speed bus.Bcm communicates, shows proper power mode pids from ignition switch.Pcm has grounds and one power.The other powers are provided by the pwr/trn...

Fixes & Summaries for GM
Fix/Summary Answers
2002 GMC Sierra 1500 SL 5.3L transfercase VIN: 2GTEK19T92
Thanks for replies, especially those who explained how the system works. Replaced encoder motor. Problem solved.does anyone know if motors can be repaired and where in Canada part s can be bought
2007 GMC Sierra 1500 WT 5.3L Excessive Emissions, MIL Lamp on VIN: 2GTEK13M57
Thanks for all the Help Guess I should have checked the body shop didn't replace as the air bellows from MAF to upper air plenum had a big crack underneath out of sight. Everything is fine now!!! Trouble codes: P0171 (p0172-), P0172 (p0449-), P0449.
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