OBD Guide
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B1313

Interior Lighting Output Circuit Short

B1313 is an OBD-II diagnostic trouble code meaning: Interior Lighting Output Circuit Short. Common causes: wiring harness damage, malfunctioning light switches. Estimated repair cost: $22–56.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$22–56 (est.)

Symptoms

  • Interior lamps do not work
  • Fuses blow
  • Flashing or unstable lighting

Causes

  • Wiring harness damage
  • Malfunctioning light switches
  • Short circuit in lamps
  • Oxidation of contacts
  • Moisture getting into electrical connections

How to Fix

  1. Check and replace blown fuses
  2. Inspect the wiring harness for damage
  3. Check light switches
  4. Replace faulty lamps
  5. Clean and protect contacts from oxidation

Related codes

B1312B1314B1315

FAQ

What does the B1313 code mean?

B1313 is an OBD-II diagnostic trouble code that indicates: Interior Lighting Output Circuit Short

What causes a B1313 error code?

The most common causes of B1313 include: Wiring harness damage; Malfunctioning light switches; Short circuit in lamps; Oxidation of contacts.

How do I fix a B1313 diagnostic trouble code?

To fix B1313: Check and replace blown fuses. Inspect the wiring harness for damage. Check light switches. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B1313?

Limited driving only, diagnose soon

How much does it cost to fix B1313?

The estimated repair cost for B1313 is $22–56. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat