LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Geo >> 1992 >> Prizm LSi, Automatic >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Tests W/Codes >> Diagnostic Code Charts (GSI) >> Code 53, Knock Control Signal, Faulty ECM
July 1: So it begins. Don't worry, this is not in the correct legal jurisdiction!

Code 53, Knock Control Signal, Faulty ECM

Ensure that all ECM connectors are fully seated into the ECM. If connectors are fully seated, replace ECM. Start engine and recheck for code.

scientia non olet · About LEMON Manuals