OBD Guide

U1235

Invalid Or Missing Data For Displays

U1235 is an OBD-II diagnostic trouble code meaning: Invalid Or Missing Data For Displays. Common causes: damage to display module wiring harness, can communication bus fault. Estimated repair cost: $56–278.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$56–278 (est.)

Symptoms

  • Incorrect display of information on displays
  • Lost image on one of the displays
  • Flickering or distortion of the picture
  • Malfunctions of the multimedia system
  • Errors on the dashboard

Causes

  • Damage to display module wiring harness
  • CAN communication bus fault
  • Display module software failure
  • Problems with power supply to display modules
  • Mechanical damage to the display

How to Fix

  1. Check the integrity of the display module wiring harness
  2. Diagnose the state of the CAN bus
  3. Update display module software
  4. Check power supply of display modules
  5. Test and, if necessary, replace the faulty display module

Related codes

FAQ

What does the U1235 code mean?

U1235 is an OBD-II diagnostic trouble code that indicates: Invalid Or Missing Data For Displays

What causes a U1235 error code?

The most common causes of U1235 include: Damage to display module wiring harness; CAN communication bus fault; Display module software failure; Problems with power supply to display modules.

How do I fix a U1235 diagnostic trouble code?

To fix U1235: Check the integrity of the display module wiring harness. Diagnose the state of the CAN bus. Update display module software. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with U1235?

Limited driving only, diagnose soon

How much does it cost to fix U1235?

The estimated repair cost for U1235 is $56–278. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat