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International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for November 11, 2019
International Automotive Technicians' Network (iATN) - Members Only
(Also Available: All, Asian, Chrysler, European, Ford, GM.)
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Open Help Requests for GM
Help Request Answers
1997 Chevrolet Express 2500 4.3L engine/trans VIN: 1GCFG25W4V
customer wanted this van back on the road (i tried to talk him out of it) van had been sitting 2yrs under a tree , got it running this is a short list of what was done , rebuilt cylinder heads had burned out valve . wiring total mess had been eaten by rode...
2007 Chevrolet Cobalt LS 2.2L Poor Idle Quality VIN: 1G1AK15F87
Vehicle came in not running due to stretched/jumped timing chain. Verified it also bent multiple valves so we decided to get a used head rather than replace all the valves. (family friend trying to help them out on a car that I told them it was not worth f... Trouble codes: P0016 (Crank/cam correlation)
2012 Chevrolet Equinox LS 2.4L Ebcm Pscm VIN: 2GNFLCEK7C
U0121 00-Lost Communication With Electronic Brake Control Module U0131 00-Lost Communication With Power Steering Control Module U2099 02-High Speed Communication Enable Circuit Short to Ground All 3 codes are set by BCM and current. Will not clear with ...
2014 Chevrolet Equinox LT 2.4L MIL Lamp on VIN: 2GNFLGEK0E
Hey guys, I have this 2014 Equinox 2.4l, I retrieved code P0411, when through testing and system appears to be working normally, I removed both secondary air injection solenoids and I am able to command the pump on and I have good air flow from both, (Mitc... Trouble codes: P0411 (Secondary air injection fault)
2016 Chevrolet Malibu LT 1.5L engine VIN: 1G1ZE5ST2G
vehiclde came in with hard brake pedal. Vanes in vac pump destroyed. replaced with AC Delco unit from Rock Auto. Drove about 100 miles and car stalled. Found new vac pump destroyed in same manner and replaced again but is now a no start. Cam Timing was off...
2007 GMC Sierra 2500 HD SLE 6.0L Mode Door operation VIN: 1GTHC24K17
Hello, We have the HVAC complaint of not switching from defrost to vent to floor. (stuck on defrost) Scan data showed command of 12 but actual was at 220. BCM DTC B3779. Replaced actuator with OEM and performed the calibration with the Tech2. The problem w...

Fixes & Summaries for GM
Fix/Summary Answers
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