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P1626 Diagnostic Trouble Code Discussion for March 2010

Theft Deterrent System Fuel Enable Circuit Malfunction

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Trouble Ticket Help Requests for DTC P1626
Help Request Posted
2001 Chevrolet Express 3500 5.7L MIL Lamp on VIN: 1GCHG35R21
P1626: Theft Deterrent Fuel Enable Signal Not Received. ... shop that had the security light on with code U1192 and P1626. I've been chasing after this vehicle for couple of days now and running out of ideas. All the wires and the serial class 2 wires from the passlock module to the passlock senor, to the OBD2 conn...
March 02, 2010
2003 Chevrolet S10 4.3L No Start, Stall VIN: 1GCCS19X23
P1626: Theft Deterrent Fuel Enable Signal Lost. ... to start/no start. Had code p1626 stored in PCM. In the process of diagnosing, found body computer bad. Replaced and reprogrammed BCM and performed security relearn procedure. Still have the original complaint. Replaced ignition lock/passlock sensor to no ...
March 04, 2010