codes 51 and 53
Supreme Member
Joined: Aug 2005
Posts: 3,004
Likes: 4
From: Yellowknife, NWT, Canada
Car: 84 Z28
Engine: 357
Transmission: TH-350C
Axle/Gears: 3.43
Re: codes 51 and 53
https://www.thirdgen.org/service-engine-light-error-codes
Pull the small cover off of the ECM that exposes the PROM. Check to make sure its fully seated. maybe even pull it off and re-seat it, just be caureful not to bend the pins!
Pull the small cover off of the ECM that exposes the PROM. Check to make sure its fully seated. maybe even pull it off and re-seat it, just be caureful not to bend the pins!
Last edited by 84z28350; May 20, 2007 at 12:46 PM.
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Junior Member
Joined: Apr 2006
Posts: 49
Likes: 0
From: New Jersey
Car: '89 Trans Am
Engine: LO3
Transmission: 700-R4
Re: codes 51 and 53
I'm not sure if its related, and I'm about to do some testing, but i noticed my electric fan stopped working also.
The ECM is a new one, not even 6 months old, and the car was sitting for that time period. I had a garage install the ecm, as it was covered under warranty. This is the 3rd ecm in less then a year. I'm pretty sure there might be another problem that is burning up the ecm's, does anyone have any ideas what it might be?
The ECM is a new one, not even 6 months old, and the car was sitting for that time period. I had a garage install the ecm, as it was covered under warranty. This is the 3rd ecm in less then a year. I'm pretty sure there might be another problem that is burning up the ecm's, does anyone have any ideas what it might be?
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