AutoCodes – GMC – P16F7 GMC

P16F7 GMC Code - Control Module Pressure Control Solenoid 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: P16F7 GMC indicates Control Module Pressure Control Solenoid 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 910

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 P16F7 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 P16F7 GMC - Control Module Pressure Control Solenoid Command Incorrect - AutoCodes.com — P16F7 GMC Code - Control Module Pressure Control Solenoid Command Incorrect

What does this mean?

What are the Possible Causes of the DTC P16F7 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 P16F7 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 P16F7 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 P16F7 GMC code?

Need more information on how to fix the P16F7 GMC code? Get Access to Factory Service Manuals

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 P16F7 GMC Code

1. What are the common symptoms of OBDII code P16F7 GMC?

The common symptoms of code P16F7 include rough idling, poor engine performance, decreased fuel efficiency, and potential stalling of the vehicle.

2. What does OBDII code P16F7 GMC indicate?

Code P16F7 indicates that the Control Module has detected an issue with the pressure control solenoid command, specifically that it is incorrect.

3. What are the possible causes of OBDII code P16F7 GMC?

Possible causes of code P16F7 include a faulty pressure control solenoid, wiring issues, a defective control module, low transmission fluid level, or a malfunctioning transmission pump.

4. How can I diagnose OBDII code P16F7 GMC?

Diagnosing code P16F7 typically involves using a scan tool to retrieve the code, inspecting the wiring and connections related to the pressure control solenoid, checking the transmission fluid level, and testing the pressure control solenoid itself.

5. Can I continue driving with OBDII code P16F7 GMC?

It is not recommended to continue driving your vehicle with code P16F7 present, as it can lead to further damage to the transmission and potentially leave you stranded.

6. How serious is OBDII code P16F7 GMC?

Code P16F7 is considered a serious issue as it directly relates to the proper functioning of the transmission pressure control system, which is crucial for smooth shifting and overall vehicle performance.

7. How can OBDII code P16F7 GMC be repaired?

Repairing code P16F7 may involve replacing the pressure control solenoid, repairing any damaged wiring or connections, checking and topping off transmission fluid, or reprogramming the control module.

8. Can I reset OBDII code P16F7 GMC without fixing the underlying issue?

While you can reset the code using a scan tool, it is important to address the underlying issue causing code P16F7 to prevent further damage to your vehicle.

9. Is OBDII code P16F7 GMC a common issue in GMC vehicles?

While not extremely common, OBDII code P16F7 can occur in GMC vehicles, especially in older models or those with high mileage.

10. How much does it cost to fix OBDII code P16F7 GMC?

The cost of fixing code P16F7 can vary depending on the specific cause of the issue, but it may range from a few hundred to over a thousand dollars, including parts and labor.