OBD Guide
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B12C7

Electric Steering Lock Motor Circuit Failure

B12C7 is an OBD-II diagnostic trouble code meaning: Electric Steering Lock Motor Circuit Failure. Common causes: malfunction of the electric steering lock motor, wiring harness problems. Estimated repair cost: $56–167.

Severity
🔴 High
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$56–167 (est.)

Symptoms

  • Steering wheel lock does not work
  • Problems starting the engine
  • Malfunction indicator on the instrument panel

Causes

  • Malfunction of the electric steering lock motor
  • Wiring Harness Problems
  • Control module malfunction
  • Poor contact in the circuit

How to Fix

  1. Check the condition of the wiring harness and connections
  2. Check the operation of the steering lock electric motor
  3. Test the control module
  4. Replace faulty components

Related codes

B12C6B12C8

FAQ

What does the B12C7 code mean?

B12C7 is an OBD-II diagnostic trouble code that indicates: Electric Steering Lock Motor Circuit Failure

What causes a B12C7 error code?

The most common causes of B12C7 include: Malfunction of the electric steering lock motor; Wiring Harness Problems; Control module malfunction; Poor contact in the circuit.

How do I fix a B12C7 diagnostic trouble code?

To fix B12C7: Check the condition of the wiring harness and connections. Check the operation of the steering lock electric motor. Test the control module. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B12C7?

Limited driving only, diagnose soon

How much does it cost to fix B12C7?

The estimated repair cost for B12C7 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat