OBD Guide
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C116A

ABS Pressure Transducer/Brake Switch Mismatch

C116A is an OBD-II diagnostic trouble code meaning: ABS Pressure Transducer/Brake Switch Mismatch. Common causes: abs pressure sensor malfunction, brake switch malfunction. Estimated repair cost: $56–167.

Severity
⚠️ Medium
Can you drive?
Do not drive — repair immediately
Approx. repair cost
$56–167 (est.)

Symptoms

  • ABS/ESP indicator is on
  • Incorrect operation of the ABS system
  • Loss of braking efficiency

Causes

  • ABS pressure sensor malfunction
  • Brake switch malfunction
  • Wiring harness damage
  • Grounding problems
  • Incorrect sensor calibration

How to Fix

  1. Check the condition of the brake switch
  2. Check ABS pressure sensor
  3. Inspect the wiring harness for damage
  4. Check grounding
  5. Carry out ABS diagnostics using a scanner
  6. If necessary, replace faulty components

Related codes

C116BC116CC116D

FAQ

What does the C116A code mean?

C116A is an OBD-II diagnostic trouble code that indicates: ABS Pressure Transducer/Brake Switch Mismatch

What causes a C116A error code?

The most common causes of C116A include: ABS pressure sensor malfunction; Brake switch malfunction; Wiring harness damage; Grounding problems.

How do I fix a C116A diagnostic trouble code?

To fix C116A: Check the condition of the brake switch. Check ABS pressure sensor. Inspect the wiring harness for damage. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with C116A?

Do not drive — repair immediately

How much does it cost to fix C116A?

The estimated repair cost for C116A is $56–167. Actual cost depends on your vehicle, location, and labor rates.

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