P0656 OBD Trouble Code

1 result found

P0656 - GM
Type Powertrain - Computer and Auxiliary Outputs - ISO/SAE Controlled
Description

Fuel Gauge Output Control Circuit

Cause

Engine speed over 600 rpm, system voltage from 9-18v, then the PCM detected the Commanded state of the Fuel Gauge Output control circuit did not match the Actual state for 10 seconds.

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