AutoCodes – GMC – P16F8 GMC

P16F8 GMC Code - Control Module Clutch Command Incorrect

Quick Answer

This is an internal fault detection of the Transmission Control Module (TCM). Common causes include Faulty Transmission Control Module (TCM), Transmission Control Module (TCM) harness is open or shorted, Transmission Control Module (TCM) 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: P16F8 GMC indicates Control Module Clutch Command Incorrect.
Common causes: Common causes include Faulty Transmission Control Module (TCM), Transmission Control Module (TCM) harness is open or shorted, Transmission Control Module (TCM) 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.

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Code Popularity 1,455

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 14, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code P16F8 GMC Description

This is an internal fault detection of the Transmission Control Module (TCM). The transmission control module is part of the control solenoid valve assembly, and is not serviced separately. This fault is handled inside the transmission control module and no external circuits are involved.

OBDII Code P16F8 GMC - Control Module Clutch Command Incorrect - AutoCodes.com — P16F8 GMC Code - Control Module Clutch Command Incorrect

What does this mean?

What are the Possible Causes of the DTC P16F8 GMC?

Faulty Transmission Control Module (TCM)
Transmission Control Module (TCM) harness is open or shorted
Transmission Control Module (TCM) circuit poor electrical connection

How to Fix the DTC P16F8 GMC?

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 P16F8 GMC 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 P16F8 GMC code?

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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 P16F8 GMC Code

1. What are the common symptoms of OBDII code P16F8 GMC?

- The common symptoms include rough shifting, difficulty engaging gears, and potential stalling of the vehicle.

2. What can cause the OBDII code P16F8 GMC to trigger?

- This code is typically triggered by a malfunction in the control module related to the clutch command.

3. How serious is the OBDII code P16F8 GMC?

- While the vehicle may still be operable with this code, it is important to address it promptly to prevent potential damage to the transmission system.

4. How can I diagnose the cause of OBDII code P16F8 GMC?

- Diagnosing this code usually requires a professional OBDII scanner to read the specific error codes and pinpoint the exact issue.

5. Can I continue driving my vehicle with the OBDII code P16F8 GMC?

- It is not recommended to continue driving the vehicle with this code present, as it can lead to further damage if left unresolved.

6. What are some possible repair tips for fixing OBDII code P16F8 GMC?

- Repair tips may include checking the wiring connections to the control module, inspecting the clutch system for any faults, and resetting the code after making necessary repairs.

7. Is it possible to reset the OBDII code P16F8 GMC without repairing the issue?

- While you can clear the code temporarily, it is crucial to address the underlying problem to prevent the code from reoccurring.

8. Can a DIY enthusiast fix the OBDII code P16F8 GMC at home?

- Depending on the skill level and tools available, some DIY enthusiasts may be able to address this code at home, but professional assistance is recommended for accurate diagnosis and repair.

9. Are there any recalls or technical service bulletins related to OBDII code P16F8 GMC?

- It is advisable to check with the manufacturer or authorized service centers for any recalls or technical service bulletins related to this specific OBDII code.

10. How much can I expect to pay for repairs related to OBDII code P16F8 GMC?

- The cost of repairs can vary depending on the exact cause of the code, but it is recommended to get a diagnosis from a certified mechanic to determine the cost accurately.