OBD Guide
ENFRDEESPT

C14A6

Output Circuit Negative Voltage

C14A6 is an OBD-II diagnostic trouble code meaning: Output Circuit Negative Voltage. Common causes: short circuit to ground, broken or damaged wiring harness. Estimated repair cost: $56–167.

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

Symptoms

  • Check Engine Light Is On
  • Unstable operation of the passive safety system
  • Failure of individual control functions

Causes

  • Short circuit to ground
  • Broken or damaged wiring harness
  • Control module malfunction
  • Oxidation of contacts or connectors

How to Fix

  1. Check continuity and resistance of the circuit
  2. Inspect connectors and contacts for damage
  3. Test the control module
  4. Replace damaged components

Related codes

C14A5C14A7B00A0

FAQ

What does the C14A6 code mean?

C14A6 is an OBD-II diagnostic trouble code that indicates: Output Circuit Negative Voltage

What causes a C14A6 error code?

The most common causes of C14A6 include: Short circuit to ground; Broken or damaged wiring harness; Control module malfunction; Oxidation of contacts or connectors.

How do I fix a C14A6 diagnostic trouble code?

To fix C14A6: Check continuity and resistance of the circuit. Inspect connectors and contacts for damage. Test the control module. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with C14A6?

Do not drive — repair immediately

How much does it cost to fix C14A6?

The estimated repair cost for C14A6 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

FRDEESPT

See also: Russian version · NationStat