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P1626 Diagnostic Trouble Code Discussion for October 2005

Theft Deterrent System Fuel Enable Circuit Malfunction

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Trouble Ticket Help Requests for DTC P1626
Help Request Posted
1998 GMC K3500 Sierra SL 7.4L Cuts out, Stall VIN: 1GDGC34J2W
P1626: Theft Deterrent Fuel Enable Signal Not Received. ... or cruising at any speed. Codes are P0141, P0161, P1626, U1041. Failure records all indicate codes at idle with 0% tps. I have never been able to catch it stalling myself and the customer says it may not happen for up to...
October 13, 2005
2002 Pontiac Sunfire SE 2.2L No Start VIN: 1G2JB12452
P1626: Theft deterant start fuel signal not recieved. Came in on hook no start. All IPC lamps operating normal, no security lamp flashing. Got out mastertech to check cranking RPM & vehicle started. Drove into shop & retrieved codes. Checked module status key off BCM & radio respond. Key on PCM, BCM &...
October 18, 2005