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Professional Automotive Repair Technical Discussions for February 24, 2017 International Automotive Technicians' Network (iATN) - Members Only |
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Open Help Requests for GM
| Help Request | Answers | |
| 2005 Chevrolet Colorado Z85 LS 3.5L MIL Lamp on VIN: 1GCDT13625 Truck comes in presenting front o2 sensor problems. Run trouble tree comes back bad o2 - replace. Scanner watching both o2's test drive, looks good, ship it. Comes back the next week. Same 1133 code. Trouble tree same results, warranty sensor. This time no cha... Trouble codes: P1133 |
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| 2009 Chevrolet Traverse LT 3.6L MIL Lamp on VIN: 1GNER23D79 My main concern is the P0366 right now. If code is cleared it returns right away. FYI the engine has been rebuilt. That work was not done here and though I have asked so far no one can tell me why that was done. I have done basic ckt tests (5v ref, ground at c... Trouble codes: P0366 (Bnk 1 exhaust cam sensor performance), P0332 (Bnk 2 Knock sensor) |
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| 2012 Chevrolet Colorado LT 3.7L Exterior lighting VIN: 1GCHTDFE1C This vehicle is experiencing headlight failure after 10 or more minutes of driving. After 1-2 minutes of darkness they start working again with ABS/ Traction control/ and immobilizer warning lamps illuminated. This happens quite often and the last time this ma... |
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Fixes & Summaries for GM
| Fix/Summary | Answers | |
| 2010 Chevrolet Malibu LT 2.4L No Start, Cuts out, Stall VIN: 1G1ZC5EB8A A big thanks to all who took the time to offer help. Unfortunately, I had to wash my hands of this one as I had a vacation scheduled, and was not getting anywhere with it. All of the grounds were checked thoroughly along with connectors at each of the modules... Trouble codes: P0700 (u0073-), U0073 (u0100-), U0100 (u0140-), U0140 (u2105-), U2105 (u2143-), U2143. |
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| 2011 Chevrolet Tahoe LT 5.3L sets DTC for DOD VIN: 1GNSCBE04B Well... unfortunately I have to close this case without a fix. I ended my testing at a mechanical oil pressure test at the rear of the VLOM. I found something puzzling. Up to that point ...I never saw any glitches in the oil pressure on the scanner or the dash... Trouble codes: P3400 (displacement on demand system performance). |
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| 2014 Chevrolet Malibu LT 2.5L MIL Lamp on VIN: 1G11E5SL5E Thanks to all for input... As far as being under warranty, that was not an option for this customer. That PI about galley plug was a thought, however everything I read on that is after cylinder head/engine work which is not the case. Doug, thanks.! The oil pre... Trouble codes: P16D0. |
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| 2014 GMC Sierra 1500 SLT 5.3L steering angle sensor VIN: 3GTU2VEC0E this was a tool issue. our aez j2534 tool did not communicate on pins 12 and 13 which are midspeed can. gds would act like it did the reset on the steering angle but didn't. we got a mdi2 and fixed it. thanks for your help. |
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