Operation CHARM: Car repair manuals for everyone.

DTC 53


CODE 53 - SYSTEM OVER VOLTAGE

THIS CODE INDICATES THERE IS A BASIC GENERATOR PROBLEM.

CODE 53 WILL SET IF VOLTAGE AT ECM IS GREATER THAN 17.1 VOLTS FOR 2 SECONDS.

CHECK AND REPAIR CHARGING SYSTEM.


CLEAR CODES AND CONFIRM "CLOSED LOOP" OPERATION AND NO "SERVICE ENGINE SOON" LIGHT.