1999 Oldsmobile Alero P1632 ANTI THEFT FUEL DISABLED

JACQUELINEK

MEMBER
1999 OLDSMOBILE ALERO
4 CYL
FWD
AUTOMATIC
116,000 MILES

Whle trying to clear a mouse nest from my blower cage, I had to remove the BCM from under the dash to get to the blower moter mount. In the process, the BCM box opened and the circuit fell on the floor. Upon completing the repair and putting everything back together, the car would start but immediately stall. Thinking the BCM was damaged, I replaced it only to find the same problem. I purchased a code reader and the only trouble code is P1632 - Anti theft fuel disabled. I have a two book manual that talks about a re-learning process to re-train the BCM, but it has not worked. I need to know how to fix this or how to bypass the anti theft device in order to get the car to start.

8 Replies

BRIAN 1

MECHANIC
1,030 POSTS

Did you have the BCM programmed when you installed the new one?Also try this to relearn it, Attempt to the start vehicle. The vehicle will start and then stall.
Leave the ignition on until the Theft telltale turns off in approximately 10 minutes.
Turn the ignition off.
Restart the vehicle. The vehicle will start and on this attempt. The password is now learned.
Attempting to start the vehicle by bypassing the Passlock ll system or substituting parts without performing the password learn procedure may set a DTC P1631 and P1632.

If no password is received a DTC P1626, P1632 and U1064 may be set.
Post back with any other questions.

SPONSORED LINKS

Was this

answer

helpful?

Yes

Sunday, July 12th, 2009 AT 4:36 PM

JACQUELINEK

MEMBER
4 POSTS

Brian,

The new BCM I purchased was actually a used one and I was told it was plug and play. I have tried the re-learn process numerous times, but the security light never goes off.

You mentioned having the BCM programmed. How is that done? Right now, I can't start the car at all to take it anywhere.

Was this

answer

helpful?

Yes

Sunday, July 12th, 2009 AT 5:15 PM

BRIAN 1

MECHANIC
1,030 POSTS

Buying a used BCM was a bad idea, because when you program them to a vehicle it will only accept that VIN one time and one time only, if you remove it from one car to another it wont work because after programming and set up they become locked, which means they will only work on the vehicle they were origanilly in. There good for a ONE time programming. So the person that told you plug and play were very wrong, only solution is to buy a new one and have it programmed, I know I've made that mistake a couple of times on vehicles and had to replace the BCM for a second time, dont bother to relearn it untill you get another BCM.

Was this

answer

helpful?

Yes

Sunday, July 12th, 2009 AT 5:26 PM

JACQUELINEK

MEMBER
4 POSTS

Brian,

Thanks for the suggestion, so if I buy a new BCM, I should just be able to follow the re-learn path and have it work? I'm a little skeptical as everytime I have an electronics issue, there seems to be multiple paths. Likewise, the original BCM that I pulled off when cleaning out the blower motor does not work and acts the exact same way. If it was originally with the car, why will it now not act correctly? Is the programming something that I should have done at a dealership or would they simply need to do the re-learn process on the car? Again, I can't drive the car anywhere, so can the program it if I only bring in the new BCM?

Thanks!

Was this

answer

helpful?

Yes

Sunday, July 12th, 2009 AT 8:38 PM

BRIAN 1

MECHANIC
1,030 POSTS

Yes you have to have the new BCM programmed and then do the theft deterrant relearn, I would go to the dealer and have it programmed, most local shops dont have the equipment to reprogramm anthing, and yes they need the vehicle at the shop to programm it. So you will have to have towed to the shop.