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Back To Install Guide List

Resetting Your LS1 ECM
Category:  Electrical
Difficulty:  1
Approximate Time:  10 minutes
Application(s):  LS1
Added By:  Jim_Hogan
Last Updated:  2001-08-12 00:58:02
Views  10830

Tools Needed:
Fuse Puller

Parts Needed:
none

Purpose:
If your car throws the SES light on you for something stupid and you don't want to make that trip to the dealer to make them turn it off for a small fee, you can reset your computer yourself and the code should go away. If the fuses are not removed the codes will remain in the ECM until the fuses are removed.

Of course if you have Autotap - you can clear your SES lights with that as well.

How - To:
Step 1
Turn key on but don't start car.


Step 2
Pull PCM BAT and PCM IGN fuses in engine compartment. You should be able to pop open the cover to the fuse box with your hand, if not a small screw driver works well.


Step 3
With the fuses removed, wait a few minutes - I've set myself on 5 minutes which works for me - your key should still be in the ignition in the on position - NOT STARTED.


Step 4
Turn ignition off.


Step 5
Replace the two fuses. BE SURE TO PUT THEM BACK WHERE THEY CAME FROM! One is a 10a, the other is a 15a, the cover marks them in case you mixed them up.


Step 6
With the fuses reinstalled, fire up the car and your car should have no SES light and will begin going through the learn process again. It may take a few (3-4) on off cycles to get the idle, fuel and timing down but you shouldn't notice any differences.



Comments:

THIS IS NOT THE PLACE FOR QUESTIONS!!
Questions should be posted on the message board or emailed to the person who created this guide. Comments should ONLY be used to add information such as notes and more information for poorly edxplained steps or notes on parts/tools/steps etc.

Posted By: RHPFLast Updated:2002-06-20 02:17:27




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If it looks (c) it probably is - All work done by Jim Hogan