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Professional Automotive Repair Technical Discussions for March 18, 2017 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 | |
| 2006 Pontiac G6 2.4L emission monitors VIN: 1G2ZF55B16 monitor o2 heater operation sensor 1 would pulse consistently. senor 2 would pulse then stay steady lit,then pulse again.scan data of 02 sensors indicate heater faults for open, shorted,short to power and short to ground.ecu replaced and heater wires replaced ... |
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Fixes & Summaries for GM
| Fix/Summary | Answers | |
| 2002 Chevrolet Silverado 3500 6.6L MIL Lamp on VIN: 1GCJC33152 Thank you for the help. The testing done revealed a marginal connection at connector C108. Manipulating the harness in this location at times would cause the signal trace to become worse. While I suspected a faulty module the problem seems now to have been mor... Trouble codes: U1800 (Loss of comm FICM), U2104 (CAN Bus reset counter over run), U2105 (Loss of comm ECM). |
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