Parking Assist Module Communication Bus Off
The U0569 code means the vehicle's onboard diagnostic system has detected: Parking Assist Module Communication Bus Off. This is a low severity code.
- Keep driving?
- Yes, but fix soon
- DIY difficulty
- moderate
- Estimated cost
- $100 - $600
Network codes mean modules are not communicating. You need a scanner that reads all systems to find the problem.
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Common Symptoms
- Parking sensors not working
- False parking alerts
- Park assist disabled message
- Backup camera intermittent
Probable Causes (Ranked by Likelihood)
- Parking sensor failure Very High
- Sensor wiring harness damage High
- Parking assist module fault Moderate
- CAN bus communication interruption Low
Step-by-Step Diagnostic Procedure
-
Test each parking sensor individually with scan tool
-
Inspect sensor wiring for damage or moisture
-
Check parking assist module power and ground
-
Verify CAN bus communication to parking module
Frequently Asked Questions
Can I drive with U0569?
Check the severity. If it affects safety systems like stability control or braking, limit driving to short distances. Comfort features like heaters or parking assist are safe to drive with.
What causes U0569?
Most commonly a faulty parking assist module or damaged wiring in the communication circuit to that module.
How much does it cost to fix U0569?
Typical repair costs range from $100 - $600 depending on whether the module or just wiring needs repair.
Sources
This page is built from documented references. Verify against your own service info before repair work.
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