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B2960 Diagnostic Trouble Code Discussion for February 2009

Security data wrong but valid

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Trouble Ticket Help Requests for DTC B2960
Help Request Posted
2001 Chevrolet Impala LS 3.8L Security light on VIN: 2G1WH55K11
B2960: Security data wrong but valid. ... with the security light coming on (twice in 2 days). The code stored in the BCM history is B2960. We replaced the ignition cylinder and Passlock sensor recently for a no start condition that would often leave them stranded (leave key on for 10 minutes and ...
February 27, 2009