Powertrain Controls - ECM/PCM

CHECK THAT ALL PINS ARE FULLY INSERTED IN THE SOCKET AND THAT EPROM IS PROPERLY LATCHED.

IF OK, REPLACE EPROM, CLEAR MEMORY, AND RECHECK. IF DTC 51 REAPPEARS, REPLACE PCM.

NOTICE: TO PREVENT POSSIBLE ELECTROSTATIC DISCHARGE DAMAGE TO THE PCM OR EPROM, DO NOT TOUCH THE COMPONENT LEADS. AND DO NOT REMOVE THE EPROM COVER OR THE INTEGRATED CIRCUIT FROM CARRIER.