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International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for April 5, 2024
International Automotive Technicians' Network (iATN) - Members Only
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Open Help Requests for GM
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2017 GMC Acadia Denali 3.6L Left Rear tail, turn and brake and right front tur
Customer stated that he jump started the car one day and the next day the left rear tail light, turn signal and brake light did not work. A few miles later the right front turn signal stopped working. Codes it had in bcm were b3881 symptom 1 and 4, b3949 s...

Fixes & Summaries for GM
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