AutoCodes – Generic – P167D

P167D Code - Control Module Ignition Coil Internal Circuit

Quick Answer

The Engine Control Module (ECM) detects a condition with the integrated circuits of the Ignition Coil driver Module for greater than 4 seconds, or a cumulative of 30 seconds. Common causes include Faulty Ignition Coil driver Module, Ignition Coil driver Module harness is open or shorted, Ignition Coil driver Module circuit poor electrical connection. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

What it means: P167D indicates Control Module Ignition Coil Internal Circuit.
Common causes: Common causes include Faulty Ignition Coil driver Module, Ignition Coil driver Module harness is open or shorted, Ignition Coil driver Module circuit poor electrical connection.
Severity: High - diagnose this code as soon as possible.
Can I drive?: Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

Save to My Repairs My Repairs

AI answers can be wrong. Verify repairs with testing. Open full chat

Code Popularity 7,652

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

What is this?

Table of contents Created and updated by William Orellana on Jan 09, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
Add Comment

💬 Need more help? Ask Coddy for instant answers — it's free!

Code P167D Description

The Engine Control Module (ECM) detects a condition with the integrated circuits of the Ignition Coil driver Module for greater than 4 seconds, or a cumulative of 30 seconds.

OBDII Code P167D - Control Module Ignition Coil Internal Circuit - AutoCodes.com — P167D Code - Control Module Ignition Coil Internal Circuit

What does this mean?

What are the Possible Causes of the DTC P167D?

Faulty Ignition Coil driver Module
Ignition Coil driver Module harness is open or shorted
Ignition Coil driver Module circuit poor electrical connection

How to Fix the DTC P167D?

Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P167D code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.

Need more information about the P167D code?

Need more information on how to fix the P167D code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P167D code diagnosed by a professional: Find a repair shop in your area

Information for Specific Makes

P167D Chevrolet — Control Module Ignition Coil Internal Circuit
P167D GMC — Control Module Ignition Coil Internal Circuit

About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

Frequently Asked Questions about P167D Code

1. What are common symptoms of OBDII code P167D?

- Common symptoms include rough idling, misfires, loss of power, and illuminated Check Engine Light.

2. What does OBDII code P167D indicate?

- This code indicates a problem with the internal circuit of the ignition coil control module.

3. What are some possible causes of code P167D?

- Possible causes include a faulty ignition coil control module, wiring issues, or a poor electrical connection.

4. How can I diagnose the cause of OBDII code P167D?

- Diagnose the code by checking the ignition coil control module, inspecting the wiring for damage, and testing the electrical connections.

5. Can a DIYer repair OBDII code P167D?

- DIY repair is possible if you have the necessary tools and knowledge. Replacing the ignition coil control module may resolve the issue.

6. How urgent is it to address OBDII code P167D?

- While the vehicle may still be operable with this code, it is important to address it promptly to prevent potential damage to the engine or catalytic converter.

7. Is it safe to drive with OBDII code P167D active?

- It is generally safe to drive with this code, but it is recommended to limit driving until the issue is resolved to avoid further complications.

8. Can a bad ignition coil cause code P167D to appear?

- Yes, a faulty ignition coil can cause code P167D to appear due to issues with the ignition coil control module.

9. How can I prevent OBDII code P167D from recurring?

- Regular maintenance, such as checking and replacing ignition components as needed, can help prevent the recurrence of this code.

10. Is resetting the Check Engine Light enough to fix code P167D?

- Resetting the light may temporarily clear the code, but it will not fix the underlying issue causing code P167D. Proper diagnosis and repair are necessary.