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International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for October 12, 2021
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Open Help Requests for GM
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2009 Chevrolet Express 3500 6.0L right rear impact sensor VIN: 1GBHG39K59
Vehicle came in for repair for the airbag light on, upon inital code scan found 2 codes one for the right rear impact sensor erratic and right rear impact sensor internal failure, upon first diagnosis we replaced the impact sensor with a factory gm sensor ...
2006 GMC Sierra 2500 HD SLE 6.0L Stall VIN: 1GTHK24U76
We have repaired many of these P1516 problems by replacing the throttle body and the pigtail wiring, and cured 95% of the problem, but there are a very few that still have a very intermittent reduced power message and p1516 return. Cut the key off, restart... Trouble codes: P1516 (Tac system)

Fixes & Summaries for GM
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