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International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for June 19, 2015
International Automotive Technicians' Network (iATN) - Members Only
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(Also Available: All, Asian, Chrysler, European, Ford, GM.)
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Open Help Requests for GM
Help Request Answers
2004 Chevrolet Express 3500 6.0L Pcm, ckp VIN: 5B4KP42U44
This is actually a 2008 work horse 6.0 gm drive train! code is p0335 ckp sensor circuit failure found no tac signal on scan in live data. Tested all 3 wires and all ohmed high.had good 5 volt reference and ground. Found one bad terminal at pcm, still had high ...
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2005 Chevrolet Colorado Z85 LS 3.5L Compressor VIN: 1GCDT13685
Customer complained ac not cold.Checked outlet temp. Never went below 60 degrees.Gauges showed high pressures and compressor was cycling. Replaced expansion valve.Evacuated and recharged. Pressures now normal but air temp still won't drop below 60 degrees .Com...
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2007 Chevrolet Trailblazer LT 4.2L MIL Lamp on VIN: 1GNDS13S27
Hello, I am stymied by this pesky P1400. The code passes sometimes and fails sometimes. The customer admits to probably sitting idling a few minutes after starting the engine before she leaves. The engine coolant temp warms up normally. I have done all visual ... Trouble codes: P1400
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1997 GMC K1500 Sierra SL 5.7L engine tapping VIN: 2GTEK19R9V
engine previously had 3 spun rod bearings and 1 main bearing, I overhauled engine personally, had block main bearing bores resized and align honed, cyls had no wear so nothing done there except for ball hone, connecting rods resized, engine kit was used from M...
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Fixes & Summaries for GM
Fix/Summary Answers
1998 Cadillac DeVille 4.6L Cruise Control VIN: 1G6KD54Y3W
This one seems to be fixed. Thank you to everyone who took the time to read my help request. After reading Bill's info about the PZM, I went into the Driver Info. There, I found many modules and many codes that my Verus could not read or clear. Too many to ...
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