AutoCodes – Buick – P16F8 Buick

P16F8 Buick 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 Buick 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 987

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

What does this mean?

What are the Possible Causes of the DTC P16F8 Buick?

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 Buick?

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 Buick 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.

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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 Buick Code

1. What are the common symptoms of OBDII code P16F8 in a Buick related to the Control Module Clutch Command Incorrect?

- Common symptoms may include rough shifting, transmission slipping, and an illuminated check engine light.

2. What are the possible causes of OBDII code P16F8 in a Buick indicating Control Module Clutch Command Incorrect?

- The code may be triggered by issues such as a faulty clutch actuator, damaged wiring, or a malfunctioning control module.

3. How can I diagnose the OBDII code P16F8 in a Buick pointing to Control Module Clutch Command Incorrect?

- Diagnosis typically involves using an OBDII scanner to retrieve the code, checking for related symptoms, and conducting a thorough inspection of the clutch system components.

4. Can driving with OBDII code P16F8 in a Buick indicating Control Module Clutch Command Incorrect cause further damage?

- Continuing to drive with this code present may lead to increased wear on the transmission components and potentially cause further damage to the clutch system.

5. What are some repair tips for addressing OBDII code P16F8 in a Buick related to Control Module Clutch Command Incorrect?

- Repair tips may include checking and repairing any damaged wiring, replacing a faulty clutch actuator, or reprogramming the control module as needed.

6. Is it safe to reset the OBDII code P16F8 in a Buick without addressing the underlying issue?

- While resetting the code may temporarily turn off the check engine light, it is not recommended as the underlying problem causing the code will persist and may worsen over time.

7. How much does it typically cost to repair OBDII code P16F8 in a Buick related to Control Module Clutch Command Incorrect?

- Repair costs can vary depending on the specific issue causing the code, but it is advisable to consult a professional mechanic for an accurate diagnosis and cost estimate.

8. Can a DIY enthusiast fix OBDII code P16F8 in a Buick indicating Control Module Clutch Command Incorrect?

- Depending on their skill level and access to tools, a DIY enthusiast may be able to address simpler causes of the code, but complex issues may require professional assistance.

9. How urgent is it to address OBDII code P16F8 in a Buick related to Control Module Clutch Command Incorrect?

- It is recommended to address the issue promptly to prevent potential transmission damage and ensure the vehicle operates safely.

10. Does OBDII code P16F8 in a Buick indicating Control Module Clutch Command Incorrect affect fuel efficiency?

- While the code itself may not directly impact fuel efficiency, unresolved issues related to the clutch system can lead to poor performance and potentially affect fuel economy.