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Professional Automotive Repair Technical Discussions for May 17, 2023 International Automotive Technicians' Network (iATN) - Members Only |
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Open Help Requests for GM
| Help Request | Answers | |
| 2011 GMC Yukon XL 1500 Denali 6.2L Misfire VIN: 1GKS2MEFXB Strange one. We keep getting a flashing MIL & P0300 CEL, checking misfire data it seems that cyl#5 and #7 are the offending cylinders. During road test, it will very intermittently register a misfire, usually at low speed light loads. Swapped coils/injecto... |
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Fixes & Summaries for GM
| Fix/Summary | Answers | |
| 2019 Chevrolet Silverado 3500 HD LT 6.0L MIL Lamp on VIN: 2GC2KREG9K After studying the diagram awhile and identifying how the 3 modules work to activate the trailer brakes. I tested the network wiring from the abs module to the terminating resistor, all passed. I load tested powers and grounds, and cleaned ground 400. I consul... Trouble codes: U0191, U0137. |
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