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How to reapair theft systeme p1629 sunfire 1999 2.2 auto

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Posted on Jan 02, 2017

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SOURCE: anti theft code P1629

try leaving the key on for 5 to 10 minutes
for the BCM (body control module) to relearn

Posted on Jun 30, 2009

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How to fix the p1629 code for a 2005 cadillac cts. i just aquired the car. i dont want to spend a lot of money on it. and dont have a dealer close or that i can afford


P1629
Theft Deterrent Fuel Enable Signal Not Received
ECM, PCM
DTC P1629 in Theft Deterrent


Does the vehicle start and run ?

Aug 12, 2017 | Cadillac Cars & Trucks

2 Answers

Fix a code p1629 for cavalier 97


P1629 obdII code.
THEFT DETERRENT CRANK SIGNAL MALFUNCTION

Vehicle operation is disabled if incorrect key or starting procedure is used.

Read more at the link below.

P1629 GM Forum Buick Cadillac Chev Olds GMC Pontiac chat

Apr 13, 2017 | Cars & Trucks

1 Answer

How to disable anti-theft device on 1999 Pontiac sunfire


perhaps you can understand the red flags that pop up in our heads when people ask how to bypass alarms and security systems.
I sure wouldn't want anyone answering how to bypass my trucks security system.
In helping people with car problems, we need to use caution as to not teach people how to steal cars.

Dec 29, 2016 | 1999 Pontiac Sunfire

1 Answer

How do i reset the anti theft on a 1999 sunfire


Many older security systems can be reset by turning key to "on" and leaving it there for 15 minutes. then turn off and try to start.

Feb 16, 2015 | 1999 Pontiac Sunfire

1 Answer

1998 sunfire in codep1629, how do I fix it


You may want to do some research on the code. The basic problem is the anti-theft system is not seeing a crank signal and shutting down the fuel pump. It could be the security system, or the crank sensor, or other issues.
If you have auto start or a remote starting system it can cause these problems too.

Aug 05, 2012 | 1998 Pontiac Sunfire

1 Answer

Replaced the starter, the ignition switch, and the relay on the starter and know my 1999 Pontaic Sunfire will not start. I have a theft system but it don't work do I need to reset that?


Changing the ignition has caused a break in the communication of the anti theft security system. Here is a link that will explain how this system works and offer some ways to fix it yourself. I've been dealing with these systems for a long time, i've had great luck with just bypassing the entire system. there is a link for that also on this page.

http://vatspasslockpasskeysecurityhelp.yolasite.com/

Jul 31, 2011 | 1999 Pontiac Sunfire

1 Answer

I have a 1999 pontiac sunfire with a remote start. Sometimes when I push the remote to start my car, it will start and shut off right away and the anti theft light will flash. Is there something that I can...


no but what you have bad is your remote start brain box that is triggering the anti theft. i suggest taking to a auto electronic place for servicing or stop using remote start.

Jan 19, 2011 | 1996 Pontiac Sunfire

1 Answer

97 oldsmobile achiva code P1629


P1629 Theft Deterrent System-Cranking Signal

Check the owners manual to reset it.

Oct 28, 2010 | Oldsmobile Achieva Cars & Trucks

1 Answer

My 00 pontiac grand prix starts 3 seconds and shuts down


P1122 is a throttle position sensor code. P1629 is a theft deterrent system code. P1122 will set when the voltage signal from the throttle position sensor drops below 0.1 volts. Normally, the sensor should measure between 1 volt at idle and 4 volts at full throttle. A failed throttle position sensor could easily cause your problem.

As for the theft deterrent system code, with that code set, the car shouldn't start at all (if the code is active). With P1629, the engine computer should refuse to deliver fuel to the engine. This code can be stored for up to 40 warm up cycles before clearing itself, so unless it is currently active, there may not be any need to worry about it.

I would inspect the wiring and connectors leading to the throttle position sensor. If that wiring is good, I would replace the sensor and see where that got me. Give that a try and let us know how things go.

Jul 28, 2009 | 1998 Pontiac Sunfire

1 Answer

Anti theft code P1629


try leaving the key on for 5 to 10 minutes
for the BCM (body control module) to relearn

Jun 30, 2009 | 1998 Pontiac Sunfire

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