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P1626 Diagnostic Trouble Code Discussion for March 2008

Theft Deterrent System Fuel Enable Circuit Malfunction


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Trouble Ticket Help Requests for DTC P1626
Help Request Posted
2002 Chevrolet Monte Carlo SS 3.8L No Start, MIL Lamp on, security light on VIN: 2G1WX15K32
P1626: Theft Deterrent System Fuel Enable Signal Lost. this one is a real hair puller. first the customer complained that after 20 minutes of driving the security light would come on, the radio will intermitently go into lock out and with the daytime running lights on they will start flashing on and off as if the ...
March 02, 2008
1998 Chevrolet C1500 Cheyenne 4.3L No Start, Stall VIN: 1GCEC14W8W
P1626: Theft Deterrent Fuel Enable Signal Not Received. ... the hook. It would crank and stall. I checked for codes and it had a U1192 loss of communication and code P1626 pass lock data invalid. We pulled shrouds and covers and wiggled the wires on coloum from connector at bottom to where they go into the ignition...
March 13, 2008
2002 Chevrolet Monte Carlo LS 3.4L No Start VIN: 2G1WW12E12
P1626: Theft Deterrent System Fuel Enable Signal Lost. Car will not start with key, Code P1626 will not clear and no communication with BCM at all. Checked connections at BCM, ignition switch and PCM. Have battery power at start relay but no ground from PCM. I can ground start relay and car will run for a few seco...
March 25, 2008
2002 Chevrolet Monte Carlo LS 3.4L No Start VIN: 2G1WW12E12
P1626: Theft Deterrent System Fuel Enable Signal Lost. Car will not start with key, Code P1626 will not clear and no communication with BCM at all. Checked connections at BCM, ignition switch and PCM. Have battery power at start relay but no ground from PCM. I can ground start relay and car will run for a few seco...
March 28, 2008
2002 Chevrolet Monte Carlo SS 3.8L No Start, MIL Lamp on, security light on VIN: 2G1WX15K32
P1626: Theft Deterrent System Fuel Enable Signal Lost. this one is a real hair puller. first the customer complained that after 20 minutes of driving the security light would come on, the radio will intermitently go into lock out and with the daytime running lights on they will start flashing on and off as if the ...
March 02, 2008
1998 Chevrolet C1500 Cheyenne 4.3L No Start, Stall VIN: 1GCEC14W8W
P1626: Theft Deterrent Fuel Enable Signal Not Received. ... the hook. It would crank and stall. I checked for codes and it had a U1192 loss of communication and code P1626 pass lock data invalid. We pulled shrouds and covers and wiggled the wires on coloum from connector at bottom to where they go into the ignition...
March 13, 2008
2002 Chevrolet Monte Carlo LS 3.4L No Start VIN: 2G1WW12E12
P1626: Theft Deterrent System Fuel Enable Signal Lost. Car will not start with key, Code P1626 will not clear and no communication with BCM at all. Checked connections at BCM, ignition switch and PCM. Have battery power at start relay but no ground from PCM. I can ground start relay and car will run for a few seco...
March 25, 2008
2002 Chevrolet Monte Carlo LS 3.4L No Start VIN: 2G1WW12E12
P1626: Theft Deterrent System Fuel Enable Signal Lost. Car will not start with key, Code P1626 will not clear and no communication with BCM at all. Checked connections at BCM, ignition switch and PCM. Have battery power at start relay but no ground from PCM. I can ground start relay and car will run for a few seco...
March 28, 2008