Lost Communication With EV On-Board Charger Module
The U0215 code means the vehicle's onboard diagnostic system has detected: Lost Communication With EV On-Board Charger Module. This is a moderate severity code.
- Keep driving?
- Yes, but fix soon
- DIY difficulty
- hard
- Estimated cost
- $800 - $3,000 (parts and labor)
Network codes mean modules are not communicating. You need a scanner that reads all systems to find the problem.
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Common Symptoms
- Vehicle will not charge from AC outlet
- Charge port light flashing error
- Charging fault message on dashboard
- Reduced charging speed
- On-board charger overheating warning
Probable Causes (Ranked by Likelihood)
- Failed on-board charger module Very High
- Charge port wiring fault High
- CAN bus communication failure Moderate
- EVSE compatibility issue Low
Step-by-Step Diagnostic Procedure
-
Check charge port connector and wiring
-
Test AC power supply from EVSE
-
Scan on-board charger module for fault codes
-
Verify CAN bus communication at charger module
Frequently Asked Questions
Can I drive with U0215?
Yes, the vehicle drives normally. However AC charging will not work until fixed.
What causes U0215?
Typically a failed on-board charger module or charge port wiring fault.
How much does U0215 cost to fix?
Between $800 and $3,000.
Sources
This page is built from documented references. Verify against your own service info before repair work.
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