U027C
Lost Communication With Off-Board Charger Control Module
U027C is an OBD-II diagnostic trouble code meaning: Lost Communication With Off-Board Charger Control Module. Common causes: open or short circuit in the communication circuit, charging module malfunction. Estimated repair cost: $56–278.
Symptoms
- Inability to charge battery
- Check Engine Light Illuminates
- Error message on display
- Reduced vehicle power
- Switching to emergency mode
Causes
- Open or short circuit in the communication circuit
- Charging module malfunction
- Problems with the CAN bus
- Software glitches
- Damage to connectors or wiring harness
How to Fix
- Check the integrity of wiring and connectors
- Diagnose the state of the CAN bus
- Scan the charging module for errors
- Update system software
- Replace the faulty module if necessary
Related codes
Error U027C by Vehicle Brand
FAQ
What does the U027C code mean?
U027C is an OBD-II diagnostic trouble code that indicates: Lost Communication With Off-Board Charger Control Module
What causes a U027C error code?
The most common causes of U027C include: Open or short circuit in the communication circuit; Charging module malfunction; Problems with the CAN bus; Software glitches.
How do I fix a U027C diagnostic trouble code?
To fix U027C: Check the integrity of wiring and connectors. Diagnose the state of the CAN bus. Scan the charging module for errors. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with U027C?
Limited driving only, diagnose soon
How much does it cost to fix U027C?
The estimated repair cost for U027C is $56–278. Actual cost depends on your vehicle, location, and labor rates.
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