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Prev Professional Automotive Repair Technical Discussions for May 20, 2012
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Open Help Requests for GM
Help Request Answers
2005 GMC Sierra 2500 HD 6.0L no communication
This is a fun one. I was summoned to Auto-Zone by the manager. His brother-in-law had an issue with his '05 GMC. The vehicle would not communicate with their scan tool, and many items in the truck did not work: A/C, Power windows, and the Radio to name a few. ...

Fixes & Summaries for GM
Fix/Summary Answers
2005 Cadillac SRX 4.6L No Start VIN: 1GYEE63AX5
thank you everyone the problem was with the key, the key went bad i call the owener and told him to bring the spare set of keys. he then said that he had droped the set he gave me in water.i guess it got the chip wet and it just quit working. put the spare ke...
2003 Chevrolet Malibu LS 3.1L No Start VIN: 1G1NE52J83
installed 22k ohm resistor in place of key sensor. works great. installed resistor at bcm as it was more accesable, white wire(B4)to yellow wire(b6) thanks for the help and info. ... Trouble codes: U1000.
2006 Chevrolet Cobalt LT 2.2L MIL Lamp on VIN: 1G1AL55F16
Well I wasnt able to keep this one and dive any deeper into this one. But I did recieve some good advice. I have TSB which I have included. However my filler neck is in great shape and as I said mine held pressure and vacuum great so that wasnt my problem. Sor... Trouble codes: P0455, P0440.
1991 Oldsmobile Cutlass Calais 2.3L timing chain VIN: 1G3NL54D4M
thanks to all who shared their input it's not that easy to convert this. i guess this is why the design was changed because of the noise.
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