Lost Communication With EV Charging Station Interface Module
The U0218 code means the vehicle's onboard diagnostic system has detected: Lost Communication With EV Charging Station Interface Module. This is a low severity code.
- Keep driving?
- Yes, but fix soon
- DIY difficulty
- hard
- Estimated cost
- $500 - $2,000 (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
- Cannot initiate DC fast charging
- Charge port communication error
- Reduced charging options
- Error when connecting to fast charger
- AC charging still works
Probable Causes (Ranked by Likelihood)
- Failed charging station interface module Very High
- DC charging connector damage High
- CAN bus wiring fault to CCS port Moderate
- Software update needed Low
Step-by-Step Diagnostic Procedure
-
Test AC charging to isolate the fault
-
Inspect DC charging port for damage
-
Scan charging interface module for codes
-
Check for available software updates
Frequently Asked Questions
Can I drive with U0218?
Yes. Only DC fast charging is affected. AC home charging typically still works.
What causes U0218?
Usually a failed interface module or DC connector damage.
Is U0218 urgent?
Not for driving, but important if you rely on DC fast charging daily.
Sources
This page is built from documented references. Verify against your own service info before repair work.
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