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International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for March 25, 2019
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Open Help Requests for GM
Help Request Answers
2017 Cadillac XT5 Luxury 3.6L Control Modules VIN: 1GYKNBRS2H
Has anyone seen a module cause other modules to fail data bus inputs/outputs. Is there a way to troubleshoot which module could be causing the Electronic Brake Controller and Power Steering Control Modules to fail.
2009 Chevrolet Malibu LT 2.4L esc/traction VIN: 1G1ZH57B99
Originally had no assist with codes in steering module for torque sensor (C0545-00)and codes in EBCM for Disabled (c0561-71). Now steering works, no other codes in any module except U2143 in EBCM. Scanning EBCM shows no movement of steering wheel sensor A ...
2015 Chevrolet Equinox LT 2.4L display screen VIN: 2GNALBEK9F
Removed the Dash to access the HVAC box to repair a broken mode door, after finishing the repair the vehicle is back together, the display screen seems to be stuck on what I would call the dimmest setting, the dimmer switch controls all the rest of the veh...

Fixes & Summaries for GM
Fix/Summary Answers
2007 Buick Lucerne CX 3.8L MIL Lamp on VIN: 2G4WJ58257
Thank you everyone for the information. As per Identifix the O2 and cat monitor need a hot start over 145 F and a highway run and idle down. One member added to try some highway decels as this helps stubborn ones. As suggested aftermarket o2 sensors can be an ... Trouble codes: P1133.
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