OBD Guide

B1351

Ignition Key-In Circuit Short To Battery

B1351 is an OBD-II diagnostic trouble code meaning: Ignition Key-In Circuit Short To Battery. Common causes: wiring harness damage, ignition switch malfunction. Estimated repair cost: $33–111.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$33–111 (est.)

Symptoms

  • Problems starting the engine
  • Unstable operation of the electrical system
  • Dashboard flashing

Causes

  • Wiring harness damage
  • Ignition switch malfunction
  • Short circuit in the circuit

How to Fix

  1. Check wiring harness for damage
  2. Test the ignition key circuit with a multimeter
  3. Replace the ignition switch if necessary
  4. Resolder or replace damaged wires

Related codes

FAQ

What does the B1351 code mean?

B1351 is an OBD-II diagnostic trouble code that indicates: Ignition Key-In Circuit Short To Battery

What causes a B1351 error code?

The most common causes of B1351 include: Wiring harness damage; Ignition switch malfunction; Short circuit in the circuit.

How do I fix a B1351 diagnostic trouble code?

To fix B1351: Check wiring harness for damage. Test the ignition key circuit with a multimeter. Replace the ignition switch if necessary. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B1351?

Limited driving only, diagnose soon

How much does it cost to fix B1351?

The estimated repair cost for B1351 is $33–111. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat