OBD Guide
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B2747

Traction Control Circuit Switch Low

B2747 is an OBD-II diagnostic trouble code meaning: Traction Control Circuit Switch Low. Common causes: traction control switch malfunction, open or short circuit in wiring harness. Estimated repair cost: $56–167.

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

Symptoms

  • Check engine light is on
  • Reduced effectiveness of the traction control system
  • Handling problems on slippery surfaces

Causes

  • Traction control switch malfunction
  • Open or short circuit in wiring harness
  • Power or grounding problems
  • Engine control unit (ECU) malfunction

How to Fix

  1. Check the condition of the traction control switch
  2. Inspect the wiring harness for damage
  3. Check voltage and grounding in the circuit
  4. Scan the control unit for additional errors
  5. Replace switch or repair wiring harness if necessary

Related codes

B2745B2746B2748

FAQ

What does the B2747 code mean?

B2747 is an OBD-II diagnostic trouble code that indicates: Traction Control Circuit Switch Low

What causes a B2747 error code?

The most common causes of B2747 include: Traction control switch malfunction; Open or short circuit in wiring harness; Power or grounding problems; Engine control unit (ECU) malfunction.

How do I fix a B2747 diagnostic trouble code?

To fix B2747: Check the condition of the traction control switch. Inspect the wiring harness for damage. Check voltage and grounding in the circuit. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B2747?

Limited driving only, diagnose soon

How much does it cost to fix B2747?

The estimated repair cost for B2747 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat