1990 GMC S-15 ECM unit
GMC-RAM
03-19-2005, 12:12 PM
Does anyone know if there is a way to test the ECM unit? I checked the code and it shows it is bad. Can it be fixed or do you just replace it? THANKS.
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1990 GMC S-15 ECM unitGMC-RAM 03-19-2005, 12:12 PM Does anyone know if there is a way to test the ECM unit? I checked the code and it shows it is bad. Can it be fixed or do you just replace it? THANKS. Automotive Network, Inc., Copyright ©2026
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