OBD Guide

P124D

Injector 6 Positive Voltage Control Circuit Shorted to Control Circuit

P124D is an OBD-II diagnostic trouble code meaning: Injector 6 Positive Voltage Control Circuit Shorted to Control Circuit. Common causes: damage to the injector wiring harness, short circuit in injector control circuit. Estimated repair cost: $17–89.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$17–89 (est.)

Symptoms

  • Unstable engine operation
  • Misfire in cylinder 6
  • Check Engine light comes on
  • Increased fuel consumption
  • Reduced engine power

Causes

  • Damage to the injector wiring harness
  • Short circuit in injector control circuit
  • Malfunction of the injector itself
  • Problems with the engine control unit
  • Corrosion or poor contact in connectors

How to Fix

  1. Check the integrity of the injector wiring harness
  2. Check the injector resistance for compliance
  3. Inspect connectors and contacts for damage
  4. Check the operation of the engine control unit
  5. If necessary, replace the injector or wiring harness

Related codes

FAQ

What does the P124D code mean?

P124D is an OBD-II diagnostic trouble code that indicates: Injector 6 Positive Voltage Control Circuit Shorted to Control Circuit

What causes a P124D error code?

The most common causes of P124D include: Damage to the injector wiring harness; Short circuit in injector control circuit; Malfunction of the injector itself; Problems with the engine control unit.

How do I fix a P124D diagnostic trouble code?

To fix P124D: Check the integrity of the injector wiring harness. Check the injector resistance for compliance. Inspect connectors and contacts for damage. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P124D?

Limited driving only, diagnose soon

How much does it cost to fix P124D?

The estimated repair cost for P124D is $17–89. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat