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P1631 Diagnostic Trouble Code Discussion for March 2007

Theft Deterrent - Start Enable Signal Not Correct


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Trouble Ticket Help Requests for DTC P1631
Help Request Posted
1996 Cadillac Eldorado 4.6L No Start VIN: 1G6EL12Y2T
P1631: Theft Deterrent System - Start Enable Signal Not Current. Well I'm getting pretty stressed out on this,I hope somebody out there can help me.This car came from a trans shop.They dropped the rack to remove the side cover and make a internal repair.After putting everything back together the car will crank start and die...
March 09, 2007
2003 Chevrolet Cavalier LS 2.2L No Start VIN: 1G1JF52F63
P1631: Theft Deterrent Fuel Enable Signal Not Correct. ... start, once in forty or fifty starts. When no start occurs theft light stays on, shift interlock will not release and computer will not communicate. There were two u codes related to open and short in communication bus (u1301 & u1302). At one point the...
March 21, 2007
2000 Buick LeSabre Limited 3.8L No Start, Stall VIN: 1G4HR54KXY
P1631: Theft Deterrent System Password Incorrect. Customer says car will always crank over but some times will not start. Stalled on customer one time driving to store. Did not start on me once but started after getting scan tool.
March 27, 2007
1996 Cadillac Eldorado 4.6L No Start VIN: 1G6EL12Y2T
P1631: Theft Deterrent System - Start Enable Signal Not Current. Well I'm getting pretty stressed out on this,I hope somebody out there can help me.This car came from a trans shop.They dropped the rack to remove the side cover and make a internal repair.After putting everything back together the car will crank start and die...
March 09, 2007
2003 Chevrolet Cavalier LS 2.2L No Start VIN: 1G1JF52F63
P1631: Theft Deterrent Fuel Enable Signal Not Correct. ... start, once in forty or fifty starts. When no start occurs theft light stays on, shift interlock will not release and computer will not communicate. There were two u codes related to open and short in communication bus (u1301 & u1302). At one point the...
March 21, 2007
2000 Buick LeSabre Limited 3.8L No Start, Stall VIN: 1G4HR54KXY
P1631: Theft Deterrent System Password Incorrect. Customer says car will always crank over but some times will not start. Stalled on customer one time driving to store. Did not start on me once but started after getting scan tool.
March 27, 2007