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B3031 Diagnostic Trouble Code Discussion for October 2014

Security system in learn mode

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Trouble Ticket Help Requests for DTC B3031
Help Request Posted
2005 Chevrolet Express 2500 6.0L No Start, Stall VIN: 1GCGG29U65
B3031: security system in learn mode. Hello not sure what we have going on hear. The van starts and dies like in security mode but no security light flashing. All testing leads to the BCM put in new one and got it reflashed and still starts and dies. I have two codes p1626 anti theft system fuel e...
October 20, 2014