OBD Guide
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B15B0

Display Screen Malfunction

B15B0 is an OBD-II diagnostic trouble code meaning: Display Screen Malfunction. Common causes: open or short circuit in display wiring harness, oxidation of connector contacts. Estimated repair cost: $56–278.

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

Symptoms

  • Dashboard display not working
  • Distorted screen image
  • Flashing or dark display
  • No speedometer or tachometer readings
  • Multimedia system not working

Causes

  • Open or short circuit in display wiring harness
  • Oxidation of connector contacts
  • Display module failure
  • Software glitch
  • Module power problems
  • Damage to the CAN bus

How to Fix

  1. Diagnostics of display module power and ground
  2. Checking the integrity of the wiring harness
  3. Inspecting and cleaning connector contacts
  4. Hard reset module
  5. Software flashing
  6. Replacing the display module if necessary

Related codes

U0100U0155B15B1

FAQ

What does the B15B0 code mean?

B15B0 is an OBD-II diagnostic trouble code that indicates: Display Screen Malfunction

What causes a B15B0 error code?

The most common causes of B15B0 include: Open or short circuit in display wiring harness; Oxidation of connector contacts; Display module failure; Software glitch.

How do I fix a B15B0 diagnostic trouble code?

To fix B15B0: Diagnostics of display module power and ground. Checking the integrity of the wiring harness. Inspecting and cleaning connector contacts. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B15B0?

Limited driving only, diagnose soon

How much does it cost to fix B15B0?

The estimated repair cost for B15B0 is $56–278. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat