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Mazda p1631 p1631

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I have a passkey 3 on my 2002 cadillac deville and the security system is not letting my car start or crank does anyone know how to fix this problem i'm having without me having to take it to a dealer

You need a capable scan tool to check DTC'S - diagnostic trouble code's .
DTC B2734
DTC B2960
DTC B3031
DTC B3055
DTC P1630
DTC P1631

These would tell why the PCM - engine computer isn't starting the vehicle . There is no by-pass for this anti-theft system . The Dealer is your only hope . Nothing you can do !
The theft deterrent control module produces the theft deterrent fuel and starter enable signal when ignition is ON and the proper transponder key value is detected. The powertrain control module (PCM) monitors the fuel and starter enable signal during crank. If the proper signal is present on the Class 2 Serial Data Circuit, the PCM enables the fuel delivery and starter operation in order to allow the engine to start. If the PCM detects an incorrect password, vehicle theft deterrent (VTD) system failure or attempted vehicle theft, DTC P1631 is set. The engine will not start or crank as long as the condition is present.

Sep 20, 2017 | Cadillac Cars & Trucks

2 Answers

P 1613 wrong messege tucson

ECM (Voltage Regulator) - Malfunction

Apr 27, 2015 | Hyundai Tucson Cars & Trucks

1 Answer

N o revs p1639 p1631

My generc code list says:
P1631 - Theft deterrent start enable signal incorrect/Main relay malfunction (Power hold)
P1639 - Vehicle ID block corrupted or not programmed.

Scan the immobiliser system and if necessary re-code/program.

Sep 26, 2013 | Cars & Trucks

1 Answer

Alternator p1631

Four digit codes are brand specific, for Kia the code means the main circuit for the alternator is open, or it is not charging the battery.

Jul 01, 2013 | 2004 Kia Sorento

1 Answer

Chevlolet astro van 09/98 P1631

hello sir how r u .. i have a problam on my car.GMC ENVOY . where r showing trobol code p1631.and this car is not working.. plz telll me how to solbe this problam.

Apr 16, 2013 | 1998 Chevrolet Astro

1 Answer

Have a P1631 DTC on my 99 chevy silverado. I know it is a theft deterant problem. How do i fix it?

Here is a website that a free manual can be down loaded for your vehicle

May 01, 2010 | 1999 Chevrolet Silverado 1500

1 Answer

Code meaning Mazada 97 Pres


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