1998 Chevy Monte Carlo wont start

Tiny
MDD030708
  • MEMBER
  • 1998 CHEVROLET MONTE CARLO
  • 6 CYL
  • FWD
  • AUTOMATIC
  • 59,000 MILES
Hi my 98 monte carlo security light is flashing and dont want to start
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Thursday, September 2nd, 2010 AT 12:41 PM

2 Replies

Tiny
WRENCHTECH
  • EXPERT
I'm giving you the relearn procedure. This may or may not work for you. If it doesn't work, that means that there is a hard failure that will have to be diagnosed and repaired first.

30 Minute Re-Learn Procedure
1. Turn ON the ignition, with the engine OFF.
2. Attempt to start the engine, then release the key to ON (vehicle will not start).
3. Observe the SECURITY telltale, after approximately 10 minutes the telltale will turn OFF.
4. Turn OFF the ignition, and wait 5 seconds.
5. Repeat steps 1 through 4 two more times for a total of 3 cycles/30 minutes ( the vehicle is now ready to relearn the Passlock√ Sensor Data Code and/or passwords on the next ignition switch transition from OFF to CRANK).
Important
The vehicle learns the Passlock√ Sensor Data Code and/or password on the next ignition switch transition from OFF to CRANK. You must turn the ignition OFF before attempting to start the vehicle.
6. Start the engine (the vehicle has now learned the Passlock√ Sensor Data Code and/or password).
7. With a scan tool, clear any DTCs if desired (history DTCs will self clear after 100 ignition cycles).
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Thursday, September 2nd, 2010 AT 12:58 PM
Tiny
XCLUSIBE
  • MEMBER
So what if the security light its not going off after trying this process
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Thursday, January 29th, 2015 AT 2:42 PM

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