AutoCodes – GMC – P135F 2014 GMC Sierra

P135F 2014 GMC Sierra Code - Cooling Fan 4 Status Signals Message Counter Incorrect

Quick Answer

Control modules connected to the serial data circuits monitor the communication during normal vehicle operation. Common causes include Faulty Cooling Fan 4, Cooling Fan 4 harness is open or shorted, Cooling Fan 4 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: P135F 2014 GMC Sierra indicates Cooling Fan 4 Status Signals Message Counter Incorrect.
Common causes: Common causes include Faulty Cooling Fan 4, Cooling Fan 4 harness is open or shorted, Cooling Fan 4 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 179

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 Sep 27, 2022

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code P135F 2014 GMC Sierra Description

Control modules connected to the serial data circuits monitor the communication during normal vehicle operation. Operating information and commands are exchanged among the control modules. Each module on the serial data circuit maintains a transmit error counter and a receive error counter. The counter values increase with detected errors and decrease with error-free messages. The Diagnostic Trouble Code (DTC) will be set when the Cooling Fan 4 Status Signals Message Counter is Incorrect.

OBDII Code P135F 2014 GMC Sierra - Cooling Fan 4 Status Signals Message Counter Incorrect - AutoCodes.com — P135F 2014 GMC Sierra Code - Cooling Fan 4 Status Signals Message Counter Incorrect

What does this mean?

What are the Possible Causes of the DTC P135F 2014 GMC Sierra?

Faulty Cooling Fan 4
Cooling Fan 4 harness is open or shorted
Cooling Fan 4 circuit poor electrical connection

How to Fix the DTC P135F 2014 GMC Sierra?

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 P135F 2014 GMC Sierra 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 P135F 2014 GMC Sierra code?

Need more information on how to fix the P135F 2014 GMC Sierra code? Get Access to Factory Service Manuals

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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 P135F 2014 GMC Sierra Code

1. What are the common symptoms of OBDII code P135F in a 2014 GMC Sierra?

The common symptoms include the cooling fan not operating properly, engine overheating, and the Check Engine Light illuminating on the dashboard.

2. What does the OBDII code P135F "Cooling Fan 4 Status Signals Message Counter Incorrect" indicate in a 2014 GMC Sierra?

This code indicates that the signal counter for the status of cooling fan 4 is not registering correctly, potentially leading to cooling fan malfunctions.

3. What are the possible causes of OBDII code P135F in a 2014 GMC Sierra?

Possible causes include a faulty cooling fan, issues with the cooling fan relay, wiring problems, or a malfunctioning engine control module (ECM).

4. How can I diagnose the OBDII code P135F in my 2014 GMC Sierra?

Diagnosis typically involves checking the cooling fan operation, inspecting the wiring and connections related to cooling fan 4, and using a scan tool to monitor the signal counter readings.

5. How can I repair OBDII code P135F in a 2014 GMC Sierra?

Repair options may include replacing the cooling fan, repairing or replacing the cooling fan relay, fixing any wiring issues, or reprogramming the ECM if necessary.

6. Can driving with OBDII code P135F in a 2014 GMC Sierra cause further damage?

Continuing to drive with this code may lead to engine overheating and potential damage, so it is advisable to address the issue promptly.

7. Is it safe to reset the OBDII code P135F in a 2014 GMC Sierra and continue driving?

Resetting the code may temporarily turn off the Check Engine Light, but if the underlying issue is not fixed, the problem will likely reoccur, so it is best to address the root cause.

8. How much does it typically cost to repair OBDII code P135F in a 2014 GMC Sierra?

The cost of repair can vary depending on the specific issue causing the code, but it may range from a few hundred dollars for simpler fixes to over a thousand dollars for more complex repairs.

9. Can I fix OBDII code P135F in a 2014 GMC Sierra myself, or should I take it to a mechanic?

Depending on your skill level and access to tools, you may be able to address simpler causes like a faulty relay or wiring issue. However, if the problem is more complex, it is recommended to seek professional help.

10. How can I prevent OBDII code P135F from occurring in my 2014 GMC Sierra in the future?

Regularly maintaining your vehicle, checking the cooling system components for any signs of wear or damage, and addressing any cooling system issues promptly can help prevent this code from occurring.