Engine-Codes.com
Engine-Codes – GMC – P16F2 GMC

P16F2 GMC Code - Control Module Transmission Direction Range Switch

Quick Answer

The P16F2 diagnostic trouble code (DTC) for GMC vehicles refers to an issue with the Control Module Transmission Direction Range Switch. Common causes include Faulty transmission range switch, Wiring or electrical issues, Corrosion or damage to the switch connector. 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
P16F2 GMC indicates Control Module Transmission Direction Range Switch.
Common causes
Common causes include Faulty transmission range switch, Wiring or electrical issues, Corrosion or damage to the switch connector.
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.
What is this?
Table of contents Created and updated by William Orellana on Sep 16, 2024
💬 Need more help? Ask Auto Expert for instant answers — it's free!
AutoCodes App

Fix Your Car Smarter

Try the New AutoCodes App!

Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.

AutoCodes App on Google Play

Code P16F2 GMC Description

The P16F2 diagnostic trouble code (DTC) for GMC vehicles refers to an issue with the Control Module Transmission Direction Range Switch. This code indicates that there is a problem with the transmission range switch, which is responsible for telling the transmission control module (TCM) what gear the vehicle is in. The transmission range switch, also known as the neutral safety switch, plays a crucial role in ensuring that the vehicle starts only in Park or Neutral and that the correct gear is engaged while driving.

OBDII Code P16F2 GMC - Control Module Transmission Direction Range Switch
P16F2 GMC Code - Control Module Transmission Direction Range Switch

Common Causes of P16F2 GMC

  1. Faulty transmission range switch
  2. Wiring or electrical issues
  3. Corrosion or damage to the switch connector
  4. Issues with the TCM programming
  5. Mechanical issues with the transmission itself

Symptoms of P16F2 GMC

  1. Erratic shifting patterns
  2. Hesitation when accelerating
  3. Inability to shift gears
  4. Check Engine Light illuminated
  5. Difficulty starting the vehicle

How to Fix P16F2 GMC

  1. Begin by diagnosing the specific cause of the P16F2 code using a diagnostic scanner to pinpoint the exact issue with the transmission range switch.
  2. Inspect the transmission range switch and its wiring for any visible damage, corrosion, or loose connections. Replace or repair any damaged components.
  3. Test the transmission range switch to ensure it is functioning correctly and sending the proper signals to the TCM.
  4. Clear the DTC from the vehicle's computer memory and test drive the vehicle to verify that the issue has been resolved.
  5. If the problem persists, consider seeking professional help from a certified mechanic or dealership for further diagnosis and repair.

Cost to Fix P16F2 GMC

The typical repair costs for addressing the P16F2 code can vary depending on the specific cause of the issue and the extent of the repairs needed. In general, replacing a faulty transmission range switch can cost between $150 and $300, including parts and labor. However, additional costs may apply if there are other underlying issues with the transmission system that need to be addressed. It is advisable to consult with a trusted mechanic or dealership to get a more accurate estimate based on your vehicle's make and model, as well as local labor rates. Keep in mind that diagnostic time and labor rates can vary, so it's essential to inquire about these factors before proceeding with the repairs.

Need more information about the P16F2 GMC code?

Need more information on how to fix the P16F2 GMC code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P16F2 GMC code diagnosed by a professional: Find a repair shop in your area

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 P16F2 GMC Code

1. What are the common symptoms of OBDII code P16F2 GMC related to the Control Module Transmission Direction Range Switch?

- Common symptoms include issues with shifting gears, erratic transmission behavior, and the vehicle not moving when the transmission is engaged.

2. What are the potential causes of OBDII code P16F2 GMC indicating an issue with the Control Module Transmission Direction Range Switch?

- Possible causes include a faulty transmission range switch, damaged wiring or connectors, or a malfunctioning transmission control module.

3. How can I diagnose the OBDII code P16F2 GMC related to the Control Module Transmission Direction Range Switch?

- Diagnosis typically involves using a scan tool to retrieve the fault code, checking the wiring and connectors for damage, and testing the transmission range switch for proper operation.

4. What are some repair tips for addressing OBDII code P16F2 GMC associated with the Control Module Transmission Direction Range Switch?

- Repair tips may include replacing the faulty transmission range switch, repairing any damaged wiring or connectors, and reprogramming the transmission control module if necessary.

5. Can OBDII code P16F2 GMC be cleared/reset, or does it require immediate attention?

- The code can be cleared/reset using a scan tool, but it is recommended to address the underlying issue causing the fault code to prevent further transmission problems.

6. Is it safe to continue driving with OBDII code P16F2 GMC triggered by the Control Module Transmission Direction Range Switch issue?

- It is not advisable to continue driving with this code active, as it can lead to potential transmission failures and safety hazards on the road.

7. How much does it typically cost to repair OBDII code P16F2 GMC related to the Control Module Transmission Direction Range Switch?

- Repair costs can vary depending on the extent of the issue, but it may involve parts replacement, labor costs, and potential reprogramming fees for the transmission control module.

8. Are there any preventive maintenance measures to avoid encountering OBDII code P16F2 GMC in the future?

- Regularly inspecting and maintaining the transmission system, checking for any signs of wear or damage, and addressing any issues promptly can help prevent this code from appearing.

9. Can a DIY enthusiast fix OBDII code P16F2 GMC or should it be handled by a professional mechanic?

- Depending on the individual's skill level and access to tools, some DIY enthusiasts may be able to address this code themselves, but it is recommended to consult a professional mechanic for accurate diagnosis and repair.

10. How long does it take to repair OBDII code P16F2 GMC associated with the Control Module Transmission Direction Range Switch?

- The repair time can vary based on the specific issue and the expertise of the mechanic, but it may take a few hours to a day to diagnose and resolve the problem effectively.

Discuss the causes and fixes for P16F2 GMC OBDII Code

Submit a New Comment

Code P16F2 GMC comments

No comments found for this page.