OBD Guide
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B1A80

Electronic Steering Column Lock Communication Performance

B1A80 is an OBD-II diagnostic trouble code meaning: Electronic Steering Column Lock Communication Performance. Common causes: open or shorted wiring harness, malfunction of the electronic steering column lock. Estimated repair cost: $56–167.

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

Symptoms

  • The steering wheel does not lock/unlock
  • The malfunction indicator on the dashboard lights up
  • Problems starting the engine

Causes

  • Open or shorted wiring harness
  • Malfunction of the electronic steering column lock
  • Problems with the control unit
  • Contact corrosion

How to Fix

  1. Check the integrity of the wiring harness
  2. Check contacts for corrosion
  3. Test the operation of the electronic lock
  4. If necessary, replace the lock or control unit

Related codes

B1A81B1A82

FAQ

What does the B1A80 code mean?

B1A80 is an OBD-II diagnostic trouble code that indicates: Electronic Steering Column Lock Communication Performance

What causes a B1A80 error code?

The most common causes of B1A80 include: Open or shorted wiring harness; Malfunction of the electronic steering column lock; Problems with the control unit; Contact corrosion.

How do I fix a B1A80 diagnostic trouble code?

To fix B1A80: Check the integrity of the wiring harness. Check contacts for corrosion. Test the operation of the electronic lock. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B1A80?

Limited driving only, diagnose soon

How much does it cost to fix B1A80?

The estimated repair cost for B1A80 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

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