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International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for July 4, 2014
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Open Help Requests for GM
Help Request Answers
2008 Chevrolet HHR LT 2.4L MIL Lamp on VIN: 3GNDA53P58
Vehicle came to shop with complaint of SES light on, Power Steering system fail, security light on, gauges jumping. Was able to reproduce customer complaint. All module scan indicated loss of com codes in all modules with the exception of PCM. No Comm with PCM...

Fixes & Summaries for GM
Fix/Summary Answers
2005 Chevrolet Silverado 1500 LS 5.3L 4 wheel drive VIN: 2GCEK13T85
well never would of thought it someone changed to harness under the dash. installed new harness that had all the wires and truck and 4x4 work fine thanks guys
2006 Chevrolet Silverado 3500 LT 6.6L Low Power VIN: 1GCJK33D16
Fixed! The issue was the pump. After all the help from everyone I was able to confidently call the pump. This is only my second Duramax I've had real issues with so I was a little nervous about saying the dealer was wrong in their diagnosis. The first test... Trouble codes: P0087 (Fuel Rail Pressure Low).
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