U0243
Lost Communication With Parking Assist Control Module B
U0243 is an OBD-II diagnostic trouble code meaning: Lost Communication With Parking Assist Control Module B. Common causes: open or short circuit in the module circuit, parking aid module b malfunction. Estimated repair cost: $56–167.
Symptoms
- Parking sensors do not work
- Error message on the dashboard
- Disabling the automatic parking system
- The parking system indicator is flashing
Causes
- Open or short circuit in the module circuit
- Parking aid module B malfunction
- Module power problems
- Corrosion or oxidation of contacts
- Software error in the ECU
How to Fix
- Check the fuses associated with the parking system
- Inspect the wiring harness and module connectors
- Check the power supply and ground of the module
- Test parking aid module B
- Update ECU software if necessary
Related codes
Error U0243 by Vehicle Brand
FAQ
What does the U0243 code mean?
U0243 is an OBD-II diagnostic trouble code that indicates: Lost Communication With Parking Assist Control Module B
What causes a U0243 error code?
The most common causes of U0243 include: Open or short circuit in the module circuit; Parking aid module B malfunction; Module power problems; Corrosion or oxidation of contacts.
How do I fix a U0243 diagnostic trouble code?
To fix U0243: Check the fuses associated with the parking system. Inspect the wiring harness and module connectors. Check the power supply and ground of the module. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with U0243?
Limited driving only, diagnose soon
How much does it cost to fix U0243?
The estimated repair cost for U0243 is $56–167. Actual cost depends on your vehicle, location, and labor rates.
See also: Russian version · NationStat