Lost Communication With Fuel Cell Air Compressor Module
The U0213 code means the vehicle's onboard diagnostic system has detected: Lost Communication With Fuel Cell Air Compressor Module. This is a critical severity code.
- Keep driving?
- No -- stop driving
- DIY difficulty
- hard
- Estimated cost
- $1,500 - $5,000 (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
- Fuel cell output reduced
- Air compressor fault warning
- Low fuel cell efficiency
- Vehicle will not reach full power
- Fuel cell stack overheating
Probable Causes (Ranked by Likelihood)
- Failed fuel cell air compressor module Very High
- Air compressor motor failure High
- CAN bus wiring fault Moderate
- Clogged air intake filter Low
Step-by-Step Diagnostic Procedure
-
Check air compressor motor operation
-
Inspect air intake filter for blockage
-
Scan fuel cell air compressor module for codes
-
Test CAN bus communication to air compressor module
Frequently Asked Questions
Can I drive with U0213?
No. The air compressor supplies oxygen to the fuel cell stack for power production.
What causes U0213?
Usually a failed air compressor module. A clogged intake filter is the easiest cause to check.
How much does U0213 cost to fix?
Between $1,500 and $5,000. Specialized dealership repair is required.
Sources
This page is built from documented references. Verify against your own service info before repair work.
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