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P1626 Diagnostic Trouble Code Discussion for May 2005

Theft Deterrent System Fuel Enable Circuit Malfunction

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Trouble Ticket Help Requests for DTC P1626
Help Request Posted
1999 Chevrolet K2500 Suburban 7.4L No Start VIN: 1GNGK26J9X
P1626: Theft Deterrent Fuel Enable Signal Not Received. ... wouldn't start so test drive could be performed. engine starts for only a second and dies, just like the fuel was cut. Checked for DTC's with the scanner and found a p1626. Checked alldata and found extremely limited info on this system. Checked the archiv...
May 02, 2005
1999 Oldsmobile Intrigue GL 3.8L No Start, Stall VIN: 1G3WS52KXX
P1626: Theft Deterrent System Fuel Enable Circuit Malfunction. ... code P1626 when starting. When it sets the code, it will barely run. The lock cylinder with pass-lock sensor has been replaced twice. We have replaced the BCM and PCM and done a pass-lock relearn a few times. It always seems to have a good voltage reading ...
May 16, 2005
1998 Chevrolet S10 LS 4.3L No Start VIN: 1GCCS19X2W
P1626: Theft Deterrent Fuel Enable Signal Lost. code p1626 diagnosisis suggested replacement of lock cylinder and passlock sensor. performed subsequent passlock relearn. security light comes on foe few seconds, goes off for few seconds, comes back on and remains on for duration of 10 minute period. truck st...
May 26, 2005