C0620
Park Assist Module Communication
The chassis control module has detected a communication fault with the park assist module. Parking sensors, surround view and automatic parking functions are unavailable until communication is restored.
The chassis control module has detected a communication fault with the park assist module. Parking sensors, surround view and automatic parking functions are unavailable until communication is restored.
Common causes
- high
Communication bus fault
One of the most commonly reported causes for this code — check this first.
Typical part cost: $110-1100
- medium
Park assist module failed
A plausible cause — test and verify before replacing parts.
Typical part cost: $110-1100
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First things to check
- 1Confirm the code with a scan tool and check for additional related codes.
- 2Inspect the relevant sensors, wiring, and connectors for damage or corrosion.
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Related codes
See related trouble codes
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Frequently asked questions
What does C0620 mean?
C0620 means "Park Assist Module Communication". It is a generic OBD-II code that points to a fault in the chassis.
What are the most common causes of C0620?
communication bus fault; park assist module failed; power supply or ground fault to module — these are the most commonly reported causes. Verify with a proper diagnosis before replacing parts, or use the Wrenchify app for a vehicle-specific diagnosis.
Can I keep driving with this code?
The vehicle is usually drivable for short distances, but the problem can worsen or affect emissions. Diagnose and repair as soon as practical. Use the Wrenchify app for a full diagnosis specific to your vehicle.
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