U0240 low

Lost Communication With Night Vision Module

The U0240 code means the vehicle's onboard diagnostic system has detected: Lost Communication With Night Vision Module. This is a low severity code.

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Keep driving?
Yes, but fix soon
DIY difficulty
hard
Estimated cost
$500 - $2,500 (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

  • Night vision display not functioning
  • Infrared camera image blank
  • Pedestrian detection via night vision disabled
  • Night vision warning light on

Probable Causes (Ranked by Likelihood)

  • Failed night vision camera module Very High
  • Infrared sensor contamination High
  • CAN bus wiring fault to camera Moderate
  • Night vision display failure Low

Step-by-Step Diagnostic Procedure

  1. Clean night vision camera lens

  2. Check night vision camera power supply

  3. Scan night vision module for codes

  4. Inspect camera mounting and alignment

Frequently Asked Questions

Can I drive with U0240?

Yes. Night vision is a driver aid, not essential. Use headlights normally.

What causes U0240?

Usually a failed infrared camera or contaminated lens.

How much does U0240 cost to fix?

Typically $500 to $2,500. Night vision cameras are expensive components.

Sources

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

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