U01BA
Lost Communication With Park Lock/Pawl Control Module
U01BA is an OBD-II diagnostic trouble code meaning: Lost Communication With Park Lock/Pawl Control Module. Common causes: open or short circuit in the parking lock module circuit, parking lock control module malfunction. Estimated repair cost: $56–167.
Symptoms
- Check Engine light comes on
- The car may go into emergency mode
- Gear shifting problems
- Inability to take the car out of parking mode
- Error message on the dashboard
Causes
- Open or short circuit in the parking lock module circuit
- Parking lock control module malfunction
- Problems with module power or grounding
- Wiring harness damage
- Software error in the ECU
How to Fix
- Check the integrity of the wiring harness to the parking lock module
- Check fuses and relays associated with the module
- Diagnose the parking lock module for faults
- If necessary, replace the parking lock module
- Update ECU software if appropriate TSBs are available
Related codes
Error U01BA by Vehicle Brand
FAQ
What does the U01BA code mean?
U01BA is an OBD-II diagnostic trouble code that indicates: Lost Communication With Park Lock/Pawl Control Module
What causes a U01BA error code?
The most common causes of U01BA include: Open or short circuit in the parking lock module circuit; Parking lock control module malfunction; Problems with module power or grounding; Wiring harness damage.
How do I fix a U01BA diagnostic trouble code?
To fix U01BA: Check the integrity of the wiring harness to the parking lock module. Check fuses and relays associated with the module. Diagnose the parking lock module for faults. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with U01BA?
Limited driving only, diagnose soon
How much does it cost to fix U01BA?
The estimated repair cost for U01BA is $56–167. Actual cost depends on your vehicle, location, and labor rates.
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