AutoCodes – GMC – P135E 2016 GMC Sierra

P135E 2016 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 2016 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 135

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 2016 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 2016 GMC Sierra - Cooling Fan 3 Status Signals Message Counter Incorrect - AutoCodes.com — P135E 2016 GMC Sierra Code - Cooling Fan 3 Status Signals Message Counter Incorrect

What does this mean?

What are the Possible Causes of the DTC P135E 2016 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 2016 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 2016 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 2016 GMC Sierra code?

Need more information on how to fix the P135E 2016 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 P135E 2016 GMC Sierra Code

1. What does the OBDII code P135E mean on a 2016 GMC Sierra?

P135E indicates an issue with the Cooling Fan 3 Status Signals, specifically that the message counter is incorrect, which suggests a communication or data mismatch in the cooling fan control system.

2. What are the common symptoms of code P135E in a 2016 GMC Sierra?

Symptoms may include the check engine light turning on, erratic cooling fan operation, overheating, or reduced engine performance.

3. What causes the P135E code to appear on a 2016 GMC Sierra?

Common causes include a faulty cooling fan module, wiring or connector issues, communication errors in the control module, or software glitches in the engine control module (ECM).

4. Can a faulty cooling fan cause engine overheating in a 2016 GMC Sierra?

Yes, if the cooling fan is not functioning properly due to the P135E code, it can lead to insufficient cooling and potential engine overheating.

5. How can I diagnose the P135E code on my 2016 GMC Sierra?

Diagnosis involves inspecting wiring and connectors for damage, testing the cooling fan module for proper operation, and using a scan tool to check for additional codes or communication errors.

6. Is it safe to drive a 2016 GMC Sierra with the P135E code?

Driving with this code may lead to engine overheating or reduced performance. It is recommended to address the issue promptly to avoid further damage.

7. How do you fix the P135E code on a 2016 GMC Sierra?

Repairs may include replacing the cooling fan module, fixing damaged wiring or connectors, updating ECM software, or resetting the system with a scan tool after repairs.

8. Can a software update resolve the P135E code on a 2016 GMC Sierra?

In some cases, a software update to the engine control module can resolve communication mismatches causing the P135E code.

9. What tools are needed to troubleshoot the P135E code on a 2016 GMC Sierra?

Youâ€™ll need a diagnostic scan tool capable of reading and clearing codes, a multimeter to test electrical components, and a repair manual for wiring diagrams.

10. How much does it cost to repair the P135E code on a 2016 GMC Sierra?

Repair costs can vary depending on the root cause, ranging from $100 for minor wiring repairs to $500 or more for replacing the cooling fan module or related components.