OBD Guide
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B12E5

Off Road Mode Select Switch

B12E5 is an OBD-II diagnostic trouble code meaning: Off Road Mode Select Switch. Common causes: open or shorted wiring harness, off road switch malfunction. Estimated repair cost: $22–111.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$22–111 (est.)

Symptoms

  • Cannot activate Off Road mode
  • Check Engine Light Is On
  • Loss of power in certain modes

Causes

  • Open or shorted wiring harness
  • Off Road Switch Malfunction
  • Problems with the ECU
  • Contact corrosion

How to Fix

  1. Check the wiring harness for opens and shorts
  2. Test the Off Road switch
  3. Check contacts and connections
  4. Replace switch if necessary

Related codes

B12E6U0100

FAQ

What does the B12E5 code mean?

B12E5 is an OBD-II diagnostic trouble code that indicates: Off Road Mode Select Switch

What causes a B12E5 error code?

The most common causes of B12E5 include: Open or shorted wiring harness; Off Road Switch Malfunction; Problems with the ECU; Contact corrosion.

How do I fix a B12E5 diagnostic trouble code?

To fix B12E5: Check the wiring harness for opens and shorts. Test the Off Road switch. Check contacts and connections. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B12E5?

Limited driving only, diagnose soon

How much does it cost to fix B12E5?

The estimated repair cost for B12E5 is $22–111. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat