U0169
Lost Communication With Sunroof Control Module
U0169 is an OBD-II diagnostic trouble code meaning: Lost Communication With Sunroof Control Module. Common causes: open or short circuit in the power supply, damage to the wiring harness to the sunroof module. Estimated repair cost: $17–89.
Symptoms
- Sunroof does not open/close
- Hatch works intermittently
- Fault indication on the instrument panel
- Lack of response to control buttons
- Spontaneous opening/closing of the hatch
Causes
- Open or short circuit in the power supply
- Damage to the wiring harness to the sunroof module
- Sunroof control module malfunction
- Corrosion of connector contacts
- Problems with the CAN bus
How to Fix
- Check the sunroof circuit fuse
- Inspect the wiring harness for damage
- Check the sunroof module connector contacts
- Test the sunroof control module
- Carry out CAN bus diagnostics
Related codes
Error U0169 by Vehicle Brand
FAQ
What does the U0169 code mean?
U0169 is an OBD-II diagnostic trouble code that indicates: Lost Communication With Sunroof Control Module
What causes a U0169 error code?
The most common causes of U0169 include: Open or short circuit in the power supply; Damage to the wiring harness to the sunroof module; Sunroof control module malfunction; Corrosion of connector contacts.
How do I fix a U0169 diagnostic trouble code?
To fix U0169: Check the sunroof circuit fuse. Inspect the wiring harness for damage. Check the sunroof module connector contacts. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with U0169?
Yes, but get it checked soon
How much does it cost to fix U0169?
The estimated repair cost for U0169 is $17–89. Actual cost depends on your vehicle, location, and labor rates.
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