B0455

Display Module Internal Failure

Moderate severity

The instrument cluster or central display module reports an internal self-test failure. Pixels may be missing, the screen may stay dark, or warning indicators may not display correctly.

Common causes

Display module internal fault
One of the most commonly reported causes for this code — check this first.
high
Typical part cost: $220-1650
Power supply or ground fault
A plausible cause — test and verify before replacing parts.
medium
Typical part cost: $220-1650
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First things to check

1Confirm the code with a scan tool and check for additional related codes.
2Inspect the relevant sensors, wiring, and connectors for damage or corrosion.

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Related codes

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Frequently asked questions

What does B0455 mean?

B0455 means "Display Module Internal Failure". It is a generic OBD-II code that points to a fault in the body.

What are the most common causes of B0455?

display module internal fault; power supply or ground fault — these are the most commonly reported causes. Verify with a proper diagnosis before replacing parts, or use the Wrenchify app for a vehicle-specific diagnosis.

Can I keep driving with this code?

The vehicle is usually drivable for short distances, but the problem can worsen or affect emissions. Diagnose and repair as soon as practical. Use the Wrenchify app for a full diagnosis specific to your vehicle.

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