Diesel Data: Automotive Repair

Odometer Test Failure

Name of Code: Odometer Test Failure

When Monitored: Continuously with the ignition key ON.

Set Conditions: The Body Control Module (BCM) cannot read a correct odometer value in EEPROM.

Theory of Operation: The BCM ensures that appropriate odometer values are recorded in EEPROM.

Possible Causes:
^ EEPROM was not programmed correctly by the manufacturer
^ EEPROM failure
^ Electromagnetic interference (primarily electrostatic discharge) has scrambled EEPROM