Test H: The Odometer Is Inoperative

PINPOINT TEST H: THE ODOMETER IS INOPERATIVE

H1-H2:

H3-H4:

Normal Operation
The vehicle speed information is sent to the instrument cluster by the powertrain control module (PCM) over the communication network. If the instrument cluster fails to receive the speed input data from the PCM, the instrument cluster does not indicate any speed on the speedometer.

DTC B2143 - sets if the instrument cluster detects an error in non-volatile memory (NVM) for the odometer count.

Possible Causes
- PCM
- Instrument cluster