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Professional Automotive Repair Technical Discussions for June 4, 2018 International Automotive Technicians' Network (iATN) - Members Only |
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Open Help Requests for GM
| Help Request | Answers | |
| 2005 Buick LeSabre Limited 3.8L shifting VIN: 1G4HR54K35 Okay, so Monday started out great with a note in my door. Very good customer says. Both times I've started out with a cold engine, it doesn't want to shift into high. I ease off and then approach shifting speed and 1 time it went smoothly and the other it ... |
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| 2008 Cadillac STS 3.6L no communication VIN: 1G6DK67V08 Changed oil and filter, noticed check engine light on so I hooked up Snap-on Solus Ultra, read engine codes and then cleared codes. Message on Instrument panel of theft attempted, then several others like check airbag, check suspension, then instrument pan... Trouble codes: P0300 (Engine missfire detected), P0303 (cyl 3 misfire detected), P0304 (cyl 4 misfire detected), P0850 (Park Neutral position switch circuit), P2601 (Auxillary Coolant pump performance) |
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| 1992 Chevrolet C1500 Cheyenne 5.7L Brake Light VIN: 1GCDC14K7N Getting a code 9. Checked after light set as to not get a false code when not lit. Replaced module as it turned light out when unplugged. Light stays on with ebrake or pressure switch pulled off. Code diag chart says open/short in wiring between vss and un... |
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| 2011 Chevrolet Cruze LT 1.4L transmission VIN: 1G1PH5S98B Transmission was overhauled and i cannot get the fast learn to finish. it will get part of the way thru and then come up unsuccessful. it gets thru first part and then aborts during second part. Thanks, Larry |
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| 2009 GMC Savana 2500 4.8L No Start VIN: 1GTGG25C79 Had this van towed in today for no start,pump not running.Hooked up scan tool,turn on pump relay,no pump.Check for power & ground on pump connector,ok.Replaced pump,now I have no pump power.If I try to turn on pump with scan tool,I get P0230,relay circuit.... Trouble codes: P0230 (primary pump circuit) |
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Fixes & Summaries for GM
| Fix/Summary | Answers | |
| 2007 Chevrolet Silverado 2500 HD Classic LS 6.6L Starts and dies VIN: 1GCHK23D27 First I would like to thank every one who took the time to respond to my help request. We did get it fixed! Let me start by saying that my diagnostic path may have not been correct but it worked. The problem I had is that the tech 2 says all modules are act... Trouble codes: U1000, B1045 (Audio output 3 left rear cir.). |
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| 2010 GMC Acadia SLT 3.6L No Start VIN: 1GKLVMED9A Wow, lots of input on this one. Some answers to your questions. No it didn't go for a swim. We found the 60 ohm spec for data buss from another location and went with it. Yes we had a U0100, but not in the ECM as it wouldn't communicate, it was in the transmis... |
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