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P1626 Diagnostic Trouble Code Discussion for May 2020

Theft Deterrent System Fuel Enable Circuit Malfunction


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Trouble Ticket Help Requests for DTC P1626
Help Request Posted
1997 Chevrolet Malibu LS 3.1L No Start VIN: 1G1NE52M1V
P1626: Theft Deterrent System Fuel Enable Circuit Malfunction. I am fighting and Chev. Malibu with multipule problems it seems. Started out with dead battery charged and checked. Cranks and no start or momentarily start (barely) and stall. Checked codes showing invalid passlock signal when cranking. Tried reprogrammin...
May 21, 2020
2000 Chevrolet Monte Carlo SS 3.8L Poor Idle Quality, Stall, Misfire, MIL Lamp on VIN: 2G1WX12K3Y
P1626: Theft Deterrent System Fuel Enable Signal Lost. The vehicle starts hard and runs very poorly before stalling. The scanner loses communication with the PCM/TCM while running. I can still communicate with the BCM while running. I see there is a TSB on the BCM and it seems similar. I cant find a picture on...
May 21, 2020
2003 Chevrolet Impala LS 3.8L Stall VIN: 2G1WH52K13
P1626: Theft Deterrent System Fuel Enable Signal Lost. ... and p1626 after doing a relearn on the passkey 3 system vehicle would cranks start then stall. looking at scan data it showed the fuel is still disabled checked power and grounds at passkey 3 wires 12v on white 0v on ...
May 27, 2020
2003 Chevrolet Impala LS 3.8L Stall VIN: 2G1WH52K13
P1626: Theft Deterrent System Fuel Enable Signal Lost. ... and p1626 after doing a relearn on the passkey 3 system vehicle would cranks start then stall. looking at scan data it showed the fuel is still disabled checked power and grounds at passkey 3 wires 12v on white 0v on ...
May 28, 2020