OBD Guide
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P167D

Control Module Ignition Coil Internal Circuit

P167D is an OBD-II diagnostic trouble code meaning: Control Module Ignition Coil Internal Circuit. Common causes: ignition coil module malfunction, open or short circuit in control circuit. Estimated repair cost: $28–89.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$28–89 (est.)

Symptoms

  • Engine misfires
  • Unstable engine idling
  • Reduced engine power
  • Increased fuel consumption
  • Check Engine Light Is On

Causes

  • Ignition coil module malfunction
  • Open or short circuit in control circuit
  • Poor contact in coil connectors
  • Wiring Harness Problems
  • Engine ECU malfunction

How to Fix

  1. Check the condition of the ignition coils
  2. Inspect the wiring harness and connectors for damage.
  3. Check resistance and continuity
  4. Test the ignition coil module
  5. If necessary, replace the faulty component

Related codes

P0351P0352P0353P0354

FAQ

What does the P167D code mean?

P167D is an OBD-II diagnostic trouble code that indicates: Control Module Ignition Coil Internal Circuit

What causes a P167D error code?

The most common causes of P167D include: Ignition coil module malfunction; Open or short circuit in control circuit; Poor contact in coil connectors; Wiring Harness Problems.

How do I fix a P167D diagnostic trouble code?

To fix P167D: Check the condition of the ignition coils. Inspect the wiring harness and connectors for damage.. Check resistance and continuity. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P167D?

Limited driving only, diagnose soon

How much does it cost to fix P167D?

The estimated repair cost for P167D is $28–89. Actual cost depends on your vehicle, location, and labor rates.

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