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Professional Automotive Repair Technical Discussions for April 23, 2026 International Automotive Technicians' Network (iATN) - Members Only |
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| (Also Available: All, Asian, Chrysler, European, Ford, GM.) | ||
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Open Help Requests for GM
| Help Request | Answers |
Fixes & Summaries for GM
| Fix/Summary | Answers | |
| 2006 GMC Canyon SLE 2.8L MIL Lamp on VIN: 1GTCS14826 Thank you all for your suggestions. After I replaced the ECM and Long Term Fuel Trim stabilized my customer needed his truck and hasn't returned. I've been in contact with him and he said he's been needing to use his truck and the MIL has not returned. I am cl... Trouble codes: P0171 (Lean condition). |
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| 2006 GMC Sierra 2500 HD SLT 6.6L Transmission VIN: 1GTHK23D76 Thank you all for your input. The turbine and input speed sensor connectors were swapped. After reconnecting the sensors correctly and performing a transmission relearn, the issue was resolved. It has been three weeks since the truck left the shop with no fu... |
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