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Prev Professional Automotive Repair Technical Discussions for March 31, 2015
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Open Help Requests for GM
Help Request Answers
1997 Chevrolet K1500 Cheyenne 5.7L Unknown VIN: 1GCEK19R9V
Long story short guy asks me to do a trany swap in his truck, sure no problem brings me the reman unit to swap out. Old 4L60E trans is a one piece case, and new one has removeable bell housing. I tell the guy there not the same he contacts the builder they say...
2003 Chevrolet Suburban 1500 LS 5.3L alternator VIN: 3GNFK16Z73
Customer concern, Battery light and red brake warning light on, Condition is intermittent and has not occurred since visiting our shop. Has not acted up in two weeks. Codes p1637, p1638 set in pcm, C0291 stored in history in abs module. I have repaired problem...
2003 Chevrolet Corvette 5.7L Mechanical VIN: 1GNB313KT3
Not a Corvette, got an old Chevelle resto-mod has a 2003 corvette drive train with bare-bones pcm, fuel shut off is disabled and can't do a crank position sensor relearn,, code p1336 if needed,,, Who knows how to relearn with out a scanner?
2005 Chevrolet Silverado 1500 5.3L Unknown VIN: 1GCEK19B75
OK got a stumper here. This truck will drive normal. Then out of no where it will neutral out.(happened once while going 40 mph and once while leaving a parking spot). No codes, no other symptoms. When it acts up,it just revs in all gear positions. Only way to...
2003 Pontiac Aztek 3.4L ignition switch VIN: 3G7DA03E53
The ignition key did not release in lock position or turn all the way to crank position. I replaced lock cylinder. Now key releases, but still cannot get it to turn to start position. Solenoid seems to be firing to enable and disable key removal based on shif...
2006 Pontiac Solstice 2.4L Air Bag Light VIN: 1G2MB33B36
This car came to me from the jeep dealer up the street. They have the car sold and the air bag light is on. I have checked for codes and I have No communication with the air bag module, transmission module, instrument panel, radio, and theft. I do have communi...

Fixes & Summaries for GM
Fix/Summary Answers
2004 Cadillac CTS 3.6L MIL Lamp on VIN: 1G6DM57734
Thanks for confirmation guys. New PCM fixed it. Now have 0 volts at tan wire. Good working throttle. Trouble codes: P0122, P0222.
2006 GMC Sierra 2500 HD SLT 6.6L Stall VIN: 1GTHK23DX6
thanks so much for the replies. this one is fixed.i had already cut the 5v wires except oil pressure switch because it was reading I went back and cut it and still no 5v but sensor side showed ground so I unplugged eop sensor and wire was still grounded.... Trouble codes: P0652, P0522, P0405, P0462, P0672, P0673.
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