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Test G: The Speedometer Is Inoperative

PINPOINT TEST G: THE SPEEDOMETER IS INOPERATIVE


G1-G3:






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.

Possible Causes
- PCM
- instrument cluster