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Professional Automotive Repair Technical Discussions for September 15, 2018 International Automotive Technicians' Network (iATN) - Members Only |
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Open Help Requests for GM
| Help Request | Answers | |
| 1992 Chevrolet C1500 Cheyenne 5.7L Cuts out, Poor Fuel Economy VIN: 1GCDC14K2N Hi to all ? Im working on 1992 chev. pick up 5.7L TBI 2 injector , was towed in crank no start and smell alot of gas... . Found out spark plug wires corrosion bad , eating up the town of the cap and coil total 3 of the cap and coil .Replace wires , spark p... Trouble codes: 42 (Electronic spark timing EST), 15 (Coolant temp.) |
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Fixes & Summaries for GM
| Fix/Summary | Answers | |
| 2000 Chevrolet Impala 3.4L Turn signals VIN: 2G1WF55E3Y So here's what we ended up with. With thanks especially to David in Alberta & several others who elaborated rather than, "Sounds like a ground problem.". Everyone was correct who said ground problem. But it was not the famous lf ground wires. I had cleaned tho... |
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| 2006 Chevrolet Impala LT 3.5L No Start VIN: 2G1WT58K16 The main problem I was having was, I was testing the wrong terminal from the ignition switch to the BCM. I needed to be on the Green connector #14 terminal (Pink Ignition 1 Voltage). This is the terminal energized in the start position and there was no command... Trouble codes: U0140 (Lost communication with body control module). |
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| 2008 Chevrolet Suburban 1500 LTZ 5.3L No Start, Stall, MIL Lamp on VIN: 1GNFK16308 The customer has drove it for 2 weeks with no problems. About everyone said to replace the ECM which I got from GM and all is well. Also I had to get a BCM for a 2006 Impala with a no start. I found a guy in Minnesota that rebuilt Modules. (ECM & BCM & many mo... Trouble codes: P0601 (Control Module Read Only Memory ROM), B1011 (Rollover Sensor--History Serial Disabled info stored Invalid Serial Data received), B0790 (Trans.Case History Transfer Case Neutral Indicator Circuit Short to Ground or Opern), B0100 (Trans.CaseHistory Lost Communication with electronic Control Module/ Powertrain Control Module A), U0101 (Trans.CaseHistory Lost Communication with transmission Control Module), U0140 (Lost Communication with Body Control Module). |
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