U0213 critical

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.

My Garage →
Keep driving?
No -- stop driving
DIY difficulty
hard
Estimated cost
$1,500 - $5,000 (parts and labor)
Diagnose CAN Bus Issues
LAUNCH CRP123X Full System Scanner

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

  1. Check air compressor motor operation

  2. Inspect air intake filter for blockage

  3. Scan fuel cell air compressor module for codes

  4. 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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