Engine-CodesGeneric – P135F

P135F Code - Cooling Fan 4 Status Signals Message Counter Incorrect

Quick Answer

The P135F diagnostic trouble code indicates that the cooling fan 4 status signals message counter is incorrect. Common causes include Faulty cooling fan relay, Defective cooling fan motor, Electrical wiring issues. 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
P135F indicates Cooling Fan 4 Status Signals Message Counter Incorrect.
Common causes
Common causes include Faulty cooling fan relay, Defective cooling fan motor, Electrical wiring issues.
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.
Table of contents Created and updated by William Orellana on Aug 30, 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 P135F Description

The P135F diagnostic trouble code indicates that the cooling fan 4 status signals message counter is incorrect. This means that the vehicle's engine cooling system may not be functioning properly, leading to potential overheating issues. The cooling fan is responsible for regulating the temperature of the engine by dissipating excess heat. When the status signals message counter is incorrect, it can disrupt the cooling fan's operation, leading to engine overheating and potential damage if not addressed promptly.

OBDII Code P135F - Cooling Fan 4 Status Signals Message Counter Incorrect
P135F Code - Cooling Fan 4 Status Signals Message Counter Incorrect

Common Causes of P135F

  1. Faulty cooling fan relay
  2. Defective cooling fan motor
  3. Electrical wiring issues
  4. Malfunctioning engine control module (ECM)
  5. Cooling fan sensor failure

Symptoms of P135F

  1. Engine overheating
  2. Temperature gauge constantly in the red zone
  3. Cooling fan not turning on
  4. Loss of engine power
  5. Check engine light illuminated

How to Fix P135F

  1. Begin by checking the cooling fan fuse to ensure it is not blown.
  2. Test the cooling fan relay to ensure it is functioning correctly.
  3. Inspect the wiring connections to the cooling fan for any damage or corrosion.
  4. Test the cooling fan motor to see if it is operational.
  5. If necessary, replace the cooling fan sensor or the ECM.

Cost to Fix P135F

The cost of repairing a P135F code can vary depending on the specific cause of the issue and the make and model of the vehicle. Generally, the repair costs for this issue can range from $100 to $500, including parts and labor. It's always recommended to get a detailed diagnosis from a qualified mechanic to get an accurate estimate for the repair.

Need more information about the P135F code?

Need more information on how to fix the P135F code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P135F code diagnosed by a professional: Find a repair shop in your area

Code P135F Information for Specific Makes

  • P135F Buick — Cooling Fan 4 Status Signals Message Counter Incorrect
  • P135F Cadillac — Cooling Fan 4 Status Signals Message Counter Incorrect
  • P135F Chevrolet — Cooling Fan 4 Status Signals Message Counter Incorrect
  • P135F GMC — Cooling Fan 4 Status Signals Message Counter Incorrect
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 P135F Code

1. What are the common symptoms of OBDII code P135F (Cooling Fan 4 Status Signals Message Counter Incorrect)?

- Common symptoms include overheating of the engine, erratic cooling fan operation, and possible illumination of the check engine light.

2. What are the possible causes of OBDII code P135F?

- The code P135F can be caused by issues such as a malfunctioning cooling fan relay, a faulty cooling fan motor, wiring problems, or a defective engine control module (ECM).

3. How can I diagnose the root cause of OBDII code P135F?

- To diagnose the cause of code P135F, you can start by checking the cooling fan operation, inspecting the wiring harness for any damage, testing the cooling fan relay and motor, and scanning the ECM for other related error codes.

4. What are some repair tips for resolving OBDII code P135F?

- Repair tips for addressing code P135F may include replacing a faulty cooling fan relay, fixing any wiring issues, replacing a defective cooling fan motor, or reprogramming the ECM if necessary.

5. Can OBDII code P135F lead to serious engine damage if not addressed promptly?

- Yes, ignoring OBDII code P135F can potentially lead to serious engine damage due to overheating issues. It is important to address this code promptly to prevent any further damage.

6. Is it safe to continue driving with OBDII code P135F present?

- It is not recommended to continue driving with OBDII code P135F active, as it can lead to engine overheating and other related problems. It is best to address the issue as soon as possible.

7. How much does it typically cost to repair OBDII code P135F?

- The cost of repairing OBDII code P135F can vary depending on the root cause of the issue, the extent of the damage, and the labor rates of the repair shop. It is advisable to get a few quotes from different mechanics for an accurate estimate.

8. Can a DIY enthusiast fix OBDII code P135F at home?

- Depending on the mechanical skills and tools available, some DIY enthusiasts may be able to address OBDII code P135F at home by following repair guides or tutorials. However, it is crucial to ensure the correct diagnosis and repair procedures are followed to avoid further complications.

9. Will resetting the OBDII system clear the P135F code?

- Resetting the OBDII system may temporarily clear the P135F code, but it will likely reappear if the underlying issue causing the code is not addressed. It is important to diagnose and repair the root cause of the code for a permanent solution.

10. How long does it typically take to repair OBDII code P135F?

- The repair duration for OBDII code P135F can vary depending on the specific cause of the issue, the availability of parts, and the workload of the repair shop. In some cases, it can be resolved within a few hours, while more complex issues may require more time.

Discuss the causes and fixes for P135F OBDII Code

Code P135F comments

No comments found for this page.