U029C
Lost Communication With Drive Motor Control Module D
U029C is an OBD-II diagnostic trouble code meaning: Lost Communication With Drive Motor Control Module D. Common causes: can bus break or damage, drive motor control module malfunction. Estimated repair cost: $56–278.
Symptoms
- Check Engine Light Is On
- Reduced engine power
- Hybrid system failure
- Inability to change gears
- Errors in the operation of the recuperation system
Causes
- CAN bus break or damage
- Drive motor control module malfunction
- Module power problems
- Short circuit in the circuit
- Contact corrosion
How to Fix
- Check the integrity of the CAN bus wiring
- Diagnose the drive motor control module
- Check fuses and relays
- Scan all modules for errors
- Update module software
Related codes
Error U029C by Vehicle Brand
FAQ
What does the U029C code mean?
U029C is an OBD-II diagnostic trouble code that indicates: Lost Communication With Drive Motor Control Module D
What causes a U029C error code?
The most common causes of U029C include: CAN bus break or damage; Drive motor control module malfunction; Module power problems; Short circuit in the circuit.
How do I fix a U029C diagnostic trouble code?
To fix U029C: Check the integrity of the CAN bus wiring. Diagnose the drive motor control module. Check fuses and relays. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with U029C?
Limited driving only, diagnose soon
How much does it cost to fix U029C?
The estimated repair cost for U029C is $56–278. Actual cost depends on your vehicle, location, and labor rates.
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