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International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for November 6, 2023
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Open Help Requests for GM
Help Request Answers
2012 Chevrolet Silverado 1500 LT 5.3L Poor Idle Quality, Cuts out, MIL Lamp on VIN: 1GCRKSE76C
Truck was brought in with poor run and code P1516 throttle body performance. Customer had already replaced throttle body and pedal assy. I unplugged the PCM and throttle body. Tested all wiring between the 2 and each one lit up a H11 headlamp bulb. I also ... Trouble codes: P1516 (Throttle body performance), P2101 (Throttle body performance), U0073 (Can bus high)

Fixes & Summaries for GM
Fix/Summary Answers
2007 Chevrolet Silverado 3500 HD LT 6.6L No Start, MIL Lamp on VIN: 1GBJK39647
No fix on this issue yet as the problem isn?t consistently occurring at this time, I?m sure it will come back at some point. Trouble codes: U1041, U0140, U0100, U0102, P0575, U0121.
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