× Auto Repair Pros Member Benefits TechHelp Knowledge Base Forums Resources My iATN Marketplace Chat Pricing About Us Join Industry Sponsors Video Members Only Repair Shops Auto Pro Careers Auto Pro Reviews
Join Now
International Automotive Technicians Network

P1629 Diagnostic Trouble Code Discussion for September 2008

Theft Deterrent Signal Not Received

Note: This is a professional automotive technician's resource.
Vehicle Owners: If you are seeking an automotive repair professional to service your vehicle, visit the iATN Repair Shop Finder.

Trouble Ticket Help Requests for DTC P1629
Help Request Posted
1996 Pontiac Grand Am SE 2.4L No Start VIN: 1G2NES2T6T
P1629: Theft Deterrent Fuel Enable Signal Not Received. I have tried the relearn process of leaving the koeo for 10-15 minutes no luck I checked the airbag module for corrosion none even left unhooked to try to start (per info on Napafix) have no scan tool to communicate with cluster ( so I am sol there) the key fo...
September 04, 2008
1996 Buick Skylark Limited 2.4L No Start, Stall, MIL Lamp on VIN: 1G4NJ52TXT
P1629: Theft Deterrent Fuel Enable Signal Not Received. ... how to diagnose this passlock system. We have a code P1629 which, according to the limited diagnostics, if it won't accept a relearn procedure then replace the PCM, which we did. Still won't start. Have what appear to be correct voltages from passlock sens...
September 18, 2008