OBD Guide

B3881

Left Tail Lamp Circuit Short to Ground

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$6–56 (est.)

Symptoms

  • The left rear light does not light up
  • Fuse blown
  • Flashing lights when driving

Causes

  • Damage to wire insulation
  • Oxidation of contacts
  • Malfunction of the flashlight itself
  • Wiring harness damage

How to Fix

  1. Check the light circuit fuse
  2. Inspect the wiring harness for damage
  3. Check the contacts and connectors of the flashlight
  4. Replace the lamp if necessary
  5. Restore wire insulation

Related codes

Error B3881 by Vehicle Brand