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I was driving and it shut down now it will not start

Tiny
ANDY916SACRAMENTO
  • MEMBER
  • 2001 GMC JIMMY
  • 4.3L
  • 6 CYL
  • 4WD
  • AUTOMATIC
  • 170,000 MILES
I was driving and it shut down. I do not hear my fuel pump going off so I replaced it. And still not sounds from it. It cranks but wont start. Security light was flashing. Anyone know what it could be?
Sunday, September 25th, 2016 AT 11:11 PM

1 Reply

Tiny
WRENCHTECH
  • MECHANIC
  • 20,761 POSTS
You can try the relearn procedure. If this does not work it means you have a hard failure in the system and will need a professional scan tool capable ofr reading Body codes to diagnose it.

PASSLOCK TEN MINUTE RELEARN

AUTO LEARN
Time required, approximately ten minutes:

1. Insure that the battery is fully charged.
2. Use the scan tool in order to clear the DTCs.
3. Turn the ignition switch from the OFF position to the CRANK position attempting to start the vehicle. The vehicle will start and then stall.
4. Leave the ignition switch in the ON position while observing the security indicator.
5. When the security indicator turns off, which can take up to ten minutes, turn the ignition switch off. Wait ten seconds.
6. The BCM and the PCM will learn the new code on the next start attempt.
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Monday, September 26th, 2016 AT 4:47 AM

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