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Daniel Jones
Daniel Jones,
Category: Chevy
Satisfied Customers: 498
Experience:  GM A Tech at Straub Buick GMC
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Chevrolet Silverado 2500: i did an engine swap in a 1999 chevy

Customer Question

i did an engine swap in a 1999 chevy Silverado 2500 with a 6.0l engine. the replacement engine will only fire on staring fluid the furl pump does not turn on the dash code reads security
Submitted: 1 year ago.
Category: Chevy
Expert:  Daniel Jones replied 1 year ago.
Hi,Sorry to hear you are having problems with your truck after you swapped engines. You need to try a theft relearn. I will get you the exact procedure.
Expert:  Daniel Jones replied 1 year ago.
Auto Learn
Time required, approximately 30 minutes.
Ensure that the battery is fully charged.
Use the scan tool to clear the DTCs.
Turn the ignition switch from the OFF position to the CRANK position allowing the vehicle to try and start. The vehicle will start and then stall.
Leave the ignition switch in the ON position while observing the security indicator.
When the security indicator turns off, which can take up to 10 minutes, turn the ignition switch off. Wait 10 seconds.
Repeat Steps 3–5 2 more times (3 times total).
The BCM and the PCM/VCM will learn the new code on the next start attempt.
Expert:  Daniel Jones replied 1 year ago.
Just wanted to get an update on how you made out with trying to get your truck running.
Thanks
Dan
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