B0455
Display Module Internal Failure
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.
- Check engine light: Not always
- Emissions related: No
- Repair difficulty: medium
Symptoms
- Warning light or symbol related to the affected system
- Comfort or safety function impaired
Common causes
Ordered by how often each turns out to be the cause.
- Display module internal faultCommon
- Power supply or ground faultPossible
Parts involved
- Display Module
- Instrument Cluster
B0455 is a generic OBD-II code defined by SAE J2012. Exact wording and diagnostic procedure vary by manufacturer and model. Code definitions are drawn from the public-domain OBDex dataset; the workshop notes are our own.