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International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for January 17, 2015
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Open Help Requests for GM
Help Request Answers
2006 Cadillac DTS 4.6L MIL Lamp on VIN: 1G6KD57Y76
Car came in with code P0420. Converter tested marginal so I replaced cat with a Walker Ultra and updated the computer with the latest software for false code P0420 setting. Ran bay test to run monitor and passed. Road tested vehicle while watching oxygen senso... Trouble codes: P0420 (Catalytic converter fail)
2003 Chevrolet Cavalier 2.2L instrument cluster VIN: 3G1JC12F33
CHEVY boys must have seen this before: 2003 Cavalier, battery went dead, towed in, boosted, starts OK, alt. 14V. When engine shut off the whole instrument panel (warning lights) stay ON ! We unplugged the ignition switch - lights still on, CODES B2965 and U100...

Fixes & Summaries for GM
Fix/Summary Answers
1993 Buick LeSabre Custom 3.8L Excessive Emissions, Stall, Poor Fuel Economy VIN: 1G4HP53L6P
Found a bad grounds for the ecm,redid all the grounds and replaced ecm,car now goes into closed loop and runs a lot better,thanks for your help everyone Trouble codes: 44 (lean condition indicated), 45 (rich condition indicated), 42 (esc circuit fault), 38 (tcc input voltage).
2012 Chevrolet Cruze LTZ 1.4L srs module VIN: 1G1PH5SC4C
All you guys were right. Thanks for the info. Once the sdm is programmed you need to synch the sdm to the passenger presence module which requires the MDI module and the extra tis to web pass for the later model vehicles. As always thanks to all who took time ...
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