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International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for June 13, 2021
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Open Help Requests for GM
Help Request Answers
2012 Chevrolet Impala LT 3.6L MIL Lamp on VIN: 2G1WB5E34C
When I first diagnosed the vehicle, Was unable to get the Electric AIR pump to operate using a GM Tech 2 with candi module. No Blown fuses, All relays appeared to operate at this time. I found water in the AIR pump, being cold in Maine in March it could ha... Trouble codes: P0411 (Secondary AIR Systemincorrect air flow), P2440 (Secondary AIR shutoff valve stuck open), P2430 (Secondary AIR Pressure Sensor Circut BK 1), P2435 (Secondary AIR Pressure Sensor Circut BK 2)

Fixes & Summaries for GM
Fix/Summary Answers
2015 GMC Acadia SLT 3.6L Differential VIN: 1GKKVRKD7F
Just wanted to hear back from the customer before I closed this post. Knowing the tires were the same and the diff fluid was ruled out I decided to recommend the diff clutch pack to the customer and they agreed to the repair. Vehicle hasn't acted up again. Th...
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