AutoCodes – Cadillac – P16F8 Cadillac

P16F8 Cadillac 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 Cadillac 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 846
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Jan 14, 2020
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Code P16F8 Cadillac 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 Cadillac - Control Module Clutch Command Incorrect - AutoCodes.com
P16F8 Cadillac Code - Control Module Clutch Command Incorrect

What are the Possible Causes of the DTC P16F8 Cadillac?

  • 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 Cadillac?

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 Cadillac 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 Cadillac code?

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Need Help with the 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 Cadillac Code

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

- Common symptoms include rough shifting, hesitation during acceleration, and the transmission not engaging properly.

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

- The code can be triggered by a faulty clutch position sensor, a malfunctioning control module, or wiring issues.

3. How can I diagnose the cause of the OBDII code P16F8 Cadillac?

- Diagnosing the issue may involve using a professional diagnostic scanner to read the code and check the clutch position sensor, control module, and related wiring for any faults.

4. Is it safe to continue driving with the OBDII code P16F8 Cadillac present?

- It is not recommended to continue driving with this code present, as it can lead to further damage to the transmission system.

5. Can I repair the OBDII code P16F8 Cadillac on my own?

- Repairing this code may require advanced knowledge and specialized tools, so it is recommended to seek assistance from a professional mechanic.

6. How much does it typically cost to repair the OBDII code P16F8 Cadillac?

- The cost of repairs can vary depending on the exact cause of the code, but it may involve replacing the clutch position sensor, control module, or addressing wiring issues.

7. Are there any preventive measures to avoid triggering the OBDII code P16F8 Cadillac?

- Regular maintenance of the transmission system, including checking for any leaks or unusual noises, can help prevent issues that may trigger this code.

8. Can a faulty clutch position sensor be repaired, or does it need to be replaced?

- In most cases, a faulty clutch position sensor will need to be replaced to resolve the OBDII code P16F8 Cadillac.

9. How long does it typically take to repair the OBDII code P16F8 Cadillac?

- The repair time can vary depending on the exact cause of the code and the availability of parts, but it may take a few hours to a full day to complete the repair.

10. Will resetting the OBDII code P16F8 Cadillac on my Cadillac clear the issue permanently?

- Resetting the code may temporarily clear the issue, but if the underlying problem is not addressed, the code is likely to reappear.

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