× Auto Repair Pros Member Benefits TechHelp Knowledge Base Forums Resources My iATN Marketplace Chat Pricing About Us Join Industry Sponsors Video Members Only Repair Shops Auto Pro Careers Auto Pro Reviews
Join Now
International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for May 1, 2019
International Automotive Technicians' Network (iATN) - Members Only
(Also Available: All, Asian, Chrysler, European, Ford, GM.)
Vehicle Owners: If you are seeking an automotive repair professional to service your vehicle, visit the iATN Repair Shop Finder.

Open Help Requests for GM
Help Request Answers
2003 Buick LeSabre Limited 3.8L MIL Lamp on VIN: 1G4HR54K83
I am trying to understand the testing on P1670. ODM 4 has too much voltage on Ign 1. It had me look in data for output drivers and look for fault. it shows fault on purge solenoid. I can unplug purge and code still sets but a purge code seta. I can remove ... Trouble codes: P1670 (Odm)
2008 Chevrolet Express 3500 6.0L MIL Lamp on, VIN: 1GAHG35K58
Needing some help with this one seems pretty simple with the codes but havent got to the bottom of this one yet. So at random this van will show over heat and a/c dissabled. This will happen at start up after sitting all night and will happen while driving... Trouble codes: P0128 (p0700-), P0700 (p2270-), P2270
2015 Chevrolet Silverado 2500 HD LT 6.0L MIL Lamp on VIN: 1GB2CUEG1F
This vehicle set the cam performace fault p0011 when you drive vehicle. There is only 63,805 miles on it.the oil level was low, we changed oil and filter, there is no change. There is no engine noise and the vehicle runs good. The oil gauge reads normal, w... Trouble codes: P0011 (Cam posistion performance)
2007 GMC Sierra 1500 SLE 5.3L backfire VIN: 2GTEK13M97
I'm having problems with my own truck. Very occasional backfire when cold. It will only do it for the first minute or two after start-up. It will backfire 1, 2 or 3 times, then be fine for the rest of the day. It sounds like it's backfiring through the int...

Fixes & Summaries for GM
Fix/Summary Answers
2007 Chevrolet Silverado 1500 LTZ 6.0L No Start VIN: 2GCFK13Y17
so its fixed sorry took so long to get back to you. this system runs off the fpcm but also had a relay for the fuel pump. which from what i found was not suppose to be there. so i was looking at the wrong thing. turned out to be the fuel pump module Trouble codes: U0109 (No comm with fuel pump module).
2007 GMC Acadia SLE 3.6L Poor Idle Quality, Poor Idle Quality VIN: 1GKEV13737
Thanks to all that replied, Ken Smith get's the gold star for the day. With the bore scope, we found scoring on the cylinder wall of the #4 cylinder. The customer is going to drive the car for a while, and decide what to do later. Thanks again for all ... Trouble codes: P0300, P0300.
Prev (Also Available: All, Asian, Chrysler, European, Ford, GM.) Next