U0502
Invalid Data Received From Door Control Module C
U0502 is an OBD-II diagnostic trouble code meaning: Invalid Data Received From Door Control Module C. Common causes: door control module c fault, open or short circuit in wiring. Estimated repair cost: $33–167.
Symptoms
- Power windows do not work on a certain door
- Problems with central locking
- Flashing lights on the dashboard
- Error on the on-board computer display
Causes
- Door control module C fault
- Open or short circuit in wiring
- Poor contact in connectors
- Module power problems
- ECU software error
How to Fix
- Check the integrity of the wiring to door module C
- Inspect connectors for corrosion or damage
- Check the power supply and ground of the module
- Scan the system for other errors
- Replace door control module C if necessary
Related codes
Error U0502 by Vehicle Brand
FAQ
What does the U0502 code mean?
U0502 is an OBD-II diagnostic trouble code that indicates: Invalid Data Received From Door Control Module C
What causes a U0502 error code?
The most common causes of U0502 include: Door control module C fault; Open or short circuit in wiring; Poor contact in connectors; Module power problems.
How do I fix a U0502 diagnostic trouble code?
To fix U0502: Check the integrity of the wiring to door module C. Inspect connectors for corrosion or damage. Check the power supply and ground of the module. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with U0502?
Yes, but get it checked soon
How much does it cost to fix U0502?
The estimated repair cost for U0502 is $33–167. Actual cost depends on your vehicle, location, and labor rates.
See also: Russian version · NationStat