AutoCodes – GMC – P135E 2015 GMC Sierra

P135E 2015 GMC Sierra Code - Cooling Fan 3 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 3, Cooling Fan 3 harness is open or shorted, Cooling Fan 3 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: P135E 2015 GMC Sierra indicates Cooling Fan 3 Status Signals Message Counter Incorrect.
Common causes: Common causes include Faulty Cooling Fan 3, Cooling Fan 3 harness is open or shorted, Cooling Fan 3 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 169

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 P135E 2015 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 3 Status Signals Message Counter is Incorrect.

OBDII Code P135E 2015 GMC Sierra - Cooling Fan 3 Status Signals Message Counter Incorrect - AutoCodes.com — P135E 2015 GMC Sierra Code - Cooling Fan 3 Status Signals Message Counter Incorrect

What does this mean?

What are the Possible Causes of the DTC P135E 2015 GMC Sierra?

Faulty Cooling Fan 3
Cooling Fan 3 harness is open or shorted
Cooling Fan 3 circuit poor electrical connection

How to Fix the DTC P135E 2015 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 P135E 2015 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 P135E 2015 GMC Sierra 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 P135E 2015 GMC Sierra Code

1. What does the OBDII code P135E mean on a 2015 GMC Sierra?

P135E indicates an issue with the Cooling Fan 3 Status Signals Message Counter being incorrect, which may suggest a communication error between the cooling fan module and the engine control module (ECM).

2. What are the common symptoms of code P135E on a 2015 GMC Sierra?

Symptoms may include the cooling fan not operating properly, engine overheating, or the check engine light turning on.

3. What causes the P135E code to appear in a 2015 GMC Sierra?

Common causes include faulty cooling fan motors, damaged or corroded wiring, issues with the cooling fan control module, or a software glitch in the ECM.

4. Can I drive my 2015 GMC Sierra with a P135E code?

It is not recommended to drive for extended periods with this code, as improper cooling fan operation may lead to engine overheating and potential damage.

5. How do I troubleshoot the P135E code on a 2015 GMC Sierra?

Start by inspecting the cooling fan and its wiring for damage or corrosion. Check the connections to the cooling fan module and ensure proper communication with the ECM.

6. How is the P135E code diagnosed on a 2015 GMC Sierra?

A mechanic will typically use a scan tool to verify the code, inspect the cooling fan system, test electrical connections, and confirm communication between the control module and the ECM.

7. What repairs are needed to fix the P135E code on a 2015 GMC Sierra?

Repairs may include replacing a faulty cooling fan motor, repairing damaged wiring, updating the ECM software, or replacing the cooling fan control module.

8. How much does it cost to repair a P135E code on a 2015 GMC Sierra?

Repair costs vary, but replacing a cooling fan motor may cost $300-$600, while module replacement or wiring repairs may range from $100 to $500, depending on the issue.

9. Can a software update fix the P135E code on a 2015 GMC Sierra?

In some cases, a software update for the ECM may resolve the issue if itâ€™s related to a communication glitch.

10. How can I prevent the P135E code from recurring on my 2015 GMC Sierra?

Regularly inspect the cooling fan system, keep wiring and connectors clean and corrosion-free, and address any cooling system issues promptly to avoid recurring problems.