Power Supply Voltage Failure
Table of contents
C0042 SUBARU Possible Causes
- Power Supply Voltage harness is open or shorted
- Power Supply Voltage circuit poor electrical connection
How do I fix code C0042 SUBARU?
Check the “Possible Causes” listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector’s pins.
Cost of diagnosing the C0042 SUBARU code
The cost of diagnosing the C0042 SUBARU code is 1.0 hour of labor. The auto repair labor rates vary by location, your vehicle’s make and model, and even your engine type. Most auto repairs shops charge between $75 and $150 per hour.
Possible Symptoms
- Anti-Lock Brake System (ABS) Warning Light ON
- Engine Light ON (or Service Engine Soon Warning Light)
C0042 SUBARU Description
The Anti-Lock Brake System (ABS) Module monitors the Power Supply Voltage. The ABS Module sets the OBDII code when the Power Supply Voltage is not to factory specifications.