AutoCodes – Chevrolet – P135F 2015 Chevrolet Silverado

P135F 2015 Chevrolet Silverado 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 2015 Chevrolet Silverado 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 320

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

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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 2015 Chevrolet Silverado 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 2015 Chevrolet Silverado - Cooling Fan 4 Status Signals Message Counter Incorrect - AutoCodes.com — P135F 2015 Chevrolet Silverado Code - Cooling Fan 4 Status Signals Message Counter Incorrect

What does this mean?

What are the Possible Causes of the DTC P135F 2015 Chevrolet Silverado?

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 2015 Chevrolet Silverado?

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 2015 Chevrolet Silverado 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 2015 Chevrolet Silverado code?

Need more information on how to fix the P135F 2015 Chevrolet Silverado 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 2015 Chevrolet Silverado Code

1. What does the OBDII code P135F mean on a 2015 Chevrolet Silverado?

Code P135F indicates an issue with the cooling fan 4 status signals, specifically that the message counter is incorrect, potentially causing improper fan operation.

2. What are common symptoms of the P135F code in a 2015 Chevrolet Silverado?

The most common symptoms include an illuminated check engine light, overheating engine, or the cooling fan not operating as expected.

3. What causes the P135F code to appear on a 2015 Chevrolet Silverado?

Common causes include a faulty cooling fan module, damaged wiring or connectors, or a malfunction in the Engine Control Module (ECM) communication with the fan.

4. Can a P135F code lead to engine damage if ignored?

Yes, if the cooling fan is not functioning properly, it can cause the engine to overheat, leading to potential engine damage.

5. How is the P135F code diagnosed in a 2015 Chevrolet Silverado?

A technician will use a scan tool to confirm the code, inspect the cooling fan circuit for wiring issues, and test the cooling fan module and ECM communication.

6. How do you fix the P135F code on a 2015 Chevrolet Silverado?

Repairs may include replacing the cooling fan module, repairing damaged wiring, or reprogramming or replacing the ECM if necessary.

7. Is the cooling fan module a common part to fail on a 2015 Chevrolet Silverado with a P135F code?

Yes, the cooling fan module is a common culprit for this code, but a thorough diagnosis should be performed to rule out other issues.

8. Can a loose or corroded connector cause the P135F code?

Yes, a loose, corroded, or damaged connector in the cooling fan circuit can disrupt communication and trigger the code.

9. How much does it cost to repair a P135F code on a 2015 Chevrolet Silverado?

Repair costs can vary, but replacing the cooling fan module typically ranges from $200 to $400, excluding labor, while wiring repairs may cost less.

10. Can a DIYer fix the P135F code on a 2015 Chevrolet Silverado?

A skilled DIYer with proper tools might be able to repair wiring or replace the fan module, but reprogramming the ECM often requires professional equipment.