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Professional Automotive Repair Technical Discussions for October 13, 2015 International Automotive Technicians' Network (iATN) - Members Only |
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Open Help Requests for GM
| Help Request | Answers | |
| 2006 Buick Terraza CXL 3.5L antitheft VIN: 5GADX33L16 Car was just purchased so we know NO history. Service antitheft displayed in DIC panel and the antitheft padalock is displayed- but car starts and runs fine. Pulled codes and found a B3055 no transponder or transponder modulation. Customer has 2 keys and both ... |
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| 1992 Chevrolet Corvette 5.7L Misfire Plugs and wires have been replaced. It has had code 42 four 4 years customer has driven this way with no problems except ses light now has a misfire and running rich. Am not able to find info for info flag esc grounded both circuts. Please any help Thanks Trouble codes: 42 (esc circut) |
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| 2008 Chevrolet Tahoe LT 5.3L hvac vehicle had code for no communication with PCM/BCM then I was able to reprogram BCM module but after completing that the HVAC lost program I've done all I can to reprogram it. my pass thru device does everything but the software gives me an error line E operat... |
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| 2012 Chevrolet Equinox LS 2.4L MIL Lamp on VIN: 2GNFLCEK1C Alldata does not have anything for this code for this year so I am going by the 2011 version now. My boss is paying this bill and wanted to put spark plugs in right away. I installed them and the customer drove the vehicle away. The vehicle came back with the ... Trouble codes: P219A |
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| 1995 GMC G2500 Vandura 5.7L Poor Idle Quality, Hesitation, Stall VIN: 1GDEG25K1S This van is running lean at all times. It has a major bog and idles poorly. It will run lean in open or closed loop. Fuel pressure is okay, but volume is a little low. I have just replaced the fuel pump and filter and have seen little change. If i pinch the re... |
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| 2000 GMC Yukon Denali 5.7L starting system VIN: 1GKEK63R7Y Hey Techs, thanks again for the previous help with my father-in-laws Denali. I am sorry to say that he passed away yesterday. Thanks to all of your help he did get to drive his Denali again. Sadly after he went into the hospital it acted up again and now will ... |
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| 2011 GMC Sierra 1500 SLE 5.3L MIL Lamp on, Service Stabilitrack VIN: 1GTR2VE32B Vehicle intermittently has warning lights and speedometer sweeping. It also has been a no start at times when acting up at its worst. No communicaion with pcm or abs occured when it didn't start then before diagnostic's could be performed the engine started. T... Trouble codes: U0073 (Control module comm buss off), U0101 (Lost communication with tcm), U0102 (Lost communication with transfer case control module), U0109 (Lost communication with fuel pump control module) |
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Fixes & Summaries for GM
| Fix/Summary | Answers | |
| 2003 Chevrolet Suburban 2500 LT 6.0L reduced engine power VIN: 3GNGK26U03 thanks for all the input and advice on fixing this vehicle. all the responses were very helpful. Robert from Pennsylvania hit the nail right on the head. found that the person that wired up the new harness used solder less shrink but connectors instead of sold... Trouble codes: P0220, P1515, P2135. |
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| 2009 Chevrolet Silverado 1500 WT 5.3L right turn signals VIN: 1GCEK19J19 Thanks to everyone who responded to my problem. Robert [...] sent me a circuit verification list that I went back thru. Which was about the same as what I had already done. But always good to be sure. I forgot to say that I already had tried a new turn swit... |
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| 2011 Chevrolet Malibu LTZ 2.4L No Start VIN: 1G1ZE5E16B ok, after playing with this one for a day after i opened this request i figured out my issue. i was having an irregular volt drop at the ecm. i didnt catch it before hand but caught it while i had diagrams out and scope left on car. randomly voltage would drop... |
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