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International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for October 3, 2017
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Open Help Requests for GM
Help Request Answers
2010 Cadillac Escalade EXT 6.2L Misfire, MIL Lamp on VIN: 3GYVKNEF6A
This cadillac has a constant misfire on #8 at idle, clears up off idle. scoped ignition primary and injector pulse, both present and constant. changed coil and wire and plug and injector to a non misfiring cylinder, misfire did not follow. checked compression ... Trouble codes: P0308
2004 Chevrolet Trailblazer LS 4.2L Resivior VIN: 1GNES16S24
Customer brought truck in with P/S pump winding and fluid coming out of the p/s reservoir, flush system no change, Thanks in advance going to recommend a pump any thoughts
2005 Chevrolet Suburban 1500 LT 5.3L Poor Idle Quality, Hesitation, Surge VIN: 1GNEC16Z75
Good afternoon fellow technicians, I've been sort of unclear on why a customer's vehicle has a slight hiccup/misfire/hesitation when it is on deceleration and it's happening more and more as of late (we thought wires could be the culprit and so we replaced th...
2007 Chevrolet Avalanche LTZ 5.3L service trac, stibilatrac VIN: 3GNEC12067
ABS and traction lights and service traction control and stabiltrak on message board. Scanned vehicle and found DTC code C0110, C0131, C0161, B1019. replaced EBCM and BPMV and programmed the module. C0110, C0131 were gone. Still had C0161, found brake position...
2007 Chevrolet Silverado 1500 LTZ 6.0L Rcdlr VIN: 2GCEK13Y07
Hi all, this vehicle came in as water damage to interior electronics. We have replaced with new oem parts: ipc,bcm,4x4 module, park assist and rcdlr (keyless). The following were good used modules: driver seat module, hvac,roll over module, driver door module...
2003 GMC Sierra 2500 HD SLE 6.6L glow plug VIN: 1GTHK23153
truck came in with p0380 code and one glow plug out. we sold a new set of glow plugs and found that cylinder 8 was not coming out and had to be extracted by drilling down the center and reaming the treads. when the customer came to pick up the truck I showed h...
2003 GMC C5500 Topkick C5C042 6.6L Alternator VIN: 1GDE5E1173
Alt. charges randomly. Set code PO621 (Gen. L term.) Tested while charging. Tec 2 shows V @ term. L; Have 11.5V @ brown wire,35% D/C on gray wire, and B+ on red. Caught it while not working:1.33V brown;67%D/C gray;(B+ red) Shows no V on scanner. Disconnect plu...

Fixes & Summaries for GM
Fix/Summary Answers
2011 GMC Terrain SLE 3.0L No Start VIN: 2CTFLTE50B
I wish I had better information to share as to what fixed the vehicle. We pulled all the connectors off the PCM and Trans. No obvious corrosion or damaged pins or anything. Check ground sytem-that was OK. We hooked everything back up for the 5th time and then ...
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