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.
Low severity. Can I keep driving?You can normally keep driving. If it affects the lights or visibility, get it repaired before driving at night or in the rain.
Symptoms
- Warning light or symbol related to the affected system
- Comfort or safety function impaired
Most likely causes
- Display module internal fault
- Power supply or ground fault
What to check, in order
Start with the simplest. You can tick off each step.
Good to know
- Repair difficulty: medium
What each character of B0455 means
- B: Body
- 0: Generic code: same on every make
- 4: Subsystem depends on the code range
- 55: Specific fault in that system
Frequently asked questions
Can I keep driving with code B0455?
You can normally keep driving. If it affects the lights or visibility, get it repaired before driving at night or in the rain.
What causes code B0455?
The most common causes are: display module internal fault; power supply or ground fault.
Sources
Values and procedures vary by manufacturer. If it affects brakes, steering, fuel or high voltage, see a professional. Updated: 2026-11-04. How we build these pages.