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2000 pontiac grand am ,car cuts off on road .security.light comes on and you wait 5 min .sec.light goes out car will crank and go 2 to 10 miles .then problem starts over code history in obd2 tool i get P1632 code from past .HELP !!

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Here's a trouble shooting guide.Trouble Code: P1632

Theft Deterrent Fuel Disable Signal Received

Possible Causes:

Perform the Powertrain Onboard Diagnostic System CheckPassword Learn Procedure - Attempt to start the vehicle (leave the ignition "on"). The Theft System telltale will flash for 4 seconds and then remain "on" for 10 minutes. Theft System Learn Mode will display Disabled on the Scan ToolTurn the ignition "off" after the Theft System telltale goes "out".Repeat steps 1 and 2 two more times. After the Theft System telltale turns "off" on the 3rd key cycle, and Theft System Learn Mode will display Enabled on the Scan Tool, attempt to start the engine. Once the engine starts the password is learned.

Posted on Oct 27, 2012


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SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

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Posted on Jan 02, 2017

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SOURCE: Code P1632

These cars had a tendency to "lose" the password for the theft deterrent system. Your body control module doesnt understand your key, therefore tells your pcm to discountinue fuel supply. To reprogram the system, start the engine and let it stall. Leave the key in the run position. The theft light should flash for 10 minutes. When the light stops flashing, Turn the ignition off for 10 seconds. Turn the ignition back to the run position. This procedure tells the BCM that on the next ignition cycle, to accept the new password. Now, it should start. If not, it may require the clearing of the code, and possibly the reprogramming of the PCM, which needs to be done with a dealer scan tool or equivilant.

Posted on May 20, 2009

  • 722 Answers

SOURCE: I have a 99 pontiac grand am gt and my security light comes on

Hello and thank you for choosing It sounds like this may be a factory alarm. If you have the owners manual, or if you can get one for that specific model, you should be able to look up the alarm system and find out how to (if possible) disable the alarm temporarily. My other suggestions are as follows: 1. Check your battery terminal connections: make sure they are clean and secure; also, if possible, put some terminal grease on them to prevent corrosion, rust and acid build up. Check the connection to your starter as well as your ground to the frame/chassi/block, whichever it's grounded to. Some vechiles have a smaller ground wire that runs from the main ground on the batter to the body, next to the radiator somewhere or possibly on the side firewall. Check that all connections are clean, and secure. You may just have a bad ground which is a common problem in automotive electrical issues. Thank you again for choosing and I hope that this information helps you fix your alarm system.

Posted on Apr 01, 2009

  • 6982 Answers

SOURCE: 235k miles. cut off one time going down road,

I have seen crank sensors go and leave no codes, but, likely the fuel pump is going away...they get hot and seize, then cool down and work again. I would not replace either without proper testing only because parts are expensive and there are other heat sensitive components in there. (coil etc) Be aware that it will check out good if it is running right while tests are being done.

Posted on Sep 24, 2009

Testimonial: "It cranks when hot and has sit for a while, when it would not crank. If you now think it might be crank sensor, how do how do I get to it. "

  • 169 Answers

SOURCE: 2000 pontiac grand am will turn over but won't crank

Hello! Any major auto parts retailer can scan your computer and pull the details of the error code that's causing the check engine light to come on. My first guess would be that you have a crankshaft position sensor issue, but the details from the code reader will tell you for certain.

Thanks for using FixYa!

Posted on Nov 02, 2009

  • 1 Answer

SOURCE: 99 Bonneville wont start, Security light on

how to get the security light off and to get my car off security so it will stay running

Posted on Apr 18, 2010

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Thanks for using FixYa!

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i presume that motor has a few miles on it. possibly the motor is so worn that it can't maintain a decent oil pressure. quick fix is to add heavier oil which hopefully will last for abit. be careful if you are in a cold climate as the thicker oil will make it harder to crank over in the winter.


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