OBD Guide

B3881

Left Tail Lamp Circuit Short to Ground

B3881 is an OBD-II diagnostic trouble code meaning: Left Tail Lamp Circuit Short to Ground. Common causes: damage to wire insulation, oxidation of contacts. Estimated repair cost: $6–56.

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

FAQ

What does the B3881 code mean?

B3881 is an OBD-II diagnostic trouble code that indicates: Left Tail Lamp Circuit Short to Ground

What causes a B3881 error code?

The most common causes of B3881 include: Damage to wire insulation; Oxidation of contacts; Malfunction of the flashlight itself; Wiring harness damage.

How do I fix a B3881 diagnostic trouble code?

To fix B3881: Check the light circuit fuse. Inspect the wiring harness for damage. Check the contacts and connectors of the flashlight. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B3881?

Limited driving only, diagnose soon

How much does it cost to fix B3881?

The estimated repair cost for B3881 is $6–56. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat