OBD Guide
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B255D

Passenger Compartment Lamp Control Circuit

B255D is an OBD-II diagnostic trouble code meaning: Passenger Compartment Lamp Control Circuit. Common causes: open or short circuit in wiring harness, control relay fault. Estimated repair cost: $11–56.

Severity
✅ Low
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$11–56 (est.)

Symptoms

  • Passenger interior light does not turn on
  • The lamp flashes or is unstable
  • The error is recorded in the diagnostic memory

Causes

  • Open or short circuit in wiring harness
  • Control relay fault
  • Problems with the control unit
  • Oxidation of lamp contacts

How to Fix

  1. Check lamp operation manually
  2. Inspect the wiring harness for damage
  3. Check relays and fuses
  4. Diagnose the control unit if necessary
  5. Replace faulty components

Related codes

B255CB255E

FAQ

What does the B255D code mean?

B255D is an OBD-II diagnostic trouble code that indicates: Passenger Compartment Lamp Control Circuit

What causes a B255D error code?

The most common causes of B255D include: Open or short circuit in wiring harness; Control relay fault; Problems with the control unit; Oxidation of lamp contacts.

How do I fix a B255D diagnostic trouble code?

To fix B255D: Check lamp operation manually. Inspect the wiring harness for damage. Check relays and fuses. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B255D?

Limited driving only, diagnose soon

How much does it cost to fix B255D?

The estimated repair cost for B255D is $11–56. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat