U0219 low

Lost Communication With EV Range Estimation Module

The U0219 code means the vehicle's onboard diagnostic system has detected: Lost Communication With EV Range Estimation Module. This is a low severity code.

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Keep driving?
Yes, but fix soon
DIY difficulty
moderate
Estimated cost
$200 - $800 (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

  • Range estimate not displayed
  • Inaccurate range readings
  • Energy consumption display blank
  • Trip computer showing incomplete data

Probable Causes (Ranked by Likelihood)

  • Failed range estimation module Very High
  • CAN bus wiring fault High
  • Battery state of charge sensor issue Moderate
  • Software calibration error Low

Step-by-Step Diagnostic Procedure

  1. Scan range estimation module for fault codes

  2. Check battery state of charge sensor

  3. Test CAN bus communication at module

  4. Verify module software version

Frequently Asked Questions

Can I drive with U0219?

Yes. The vehicle operates normally; only the range display is affected.

What causes U0219?

Typically a failed range estimation module or CAN bus issue. A software update sometimes helps.

How much does U0219 cost to fix?

Usually $200 to $800.

Sources

This page is built from documented references. Verify against your own service info before repair work.

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