Operation CHARM: Car repair manuals for everyone.

Powertrain Controls - ECM/PCM

CIRCUIT DESCRIPTION:

Check that all pins are fully inserted in the socket. If OK, replace MEM-CAL, clear memory and recheck. If Code 51 reappears, replace PCM.

NOTE: To prevent possible electrostatic discharge damage to the PCM or MEM-CAL, DO NOT touch the component leads. DO NOT remove integrated circuit from carrier.