AutoCodes – Chevrolet – P135D 2015 Chevrolet Silverado

P135D 2015 Chevrolet Silverado Code - Cooling Fan 2 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 2, Cooling Fan 2 harness is open or shorted, Cooling Fan 2 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: P135D 2015 Chevrolet Silverado indicates Cooling Fan 2 Status Signals Message Counter Incorrect.
Common causes: Common causes include Faulty Cooling Fan 2, Cooling Fan 2 harness is open or shorted, Cooling Fan 2 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 229

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 P135D 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 2 Status Signals Message Counter is Incorrect.

OBDII Code P135D 2015 Chevrolet Silverado - Cooling Fan 2 Status Signals Message Counter Incorrect - AutoCodes.com — P135D 2015 Chevrolet Silverado Code - Cooling Fan 2 Status Signals Message Counter Incorrect

What does this mean?

What are the Possible Causes of the DTC P135D 2015 Chevrolet Silverado?

Faulty Cooling Fan 2
Cooling Fan 2 harness is open or shorted
Cooling Fan 2 circuit poor electrical connection

How to Fix the DTC P135D 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 P135D 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 P135D 2015 Chevrolet Silverado code?

Need more information on how to fix the P135D 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 P135D 2015 Chevrolet Silverado Code

1. What does the OBDII code P135D mean on a 2015 Chevrolet Silverado?

P135D indicates an issue with the Cooling Fan 2 Status Signals Message Counter being incorrect, which suggests a communication error between the fan control module and the engine control module (ECM).

2. What are the common symptoms of code P135D on a 2015 Chevrolet Silverado?

Common symptoms include the cooling fan not functioning properly, engine overheating, or an illuminated check engine light.

3. What causes the P135D code to appear on a 2015 Chevrolet Silverado?

Causes may include a faulty cooling fan control module, wiring or connector issues, or a malfunction in the ECM.

4. Can I continue driving my 2015 Chevrolet Silverado with the P135D code?

Itâ€™s not recommended to drive for extended periods, as improper cooling fan function can lead to engine overheating and potential damage.

5. How do I diagnose the P135D code on my 2015 Chevrolet Silverado?

Diagnosis involves checking the wiring and connectors for damage, testing the cooling fan control module, and using a scan tool to verify communication between the fan module and ECM.

6. How can I fix the P135D code on a 2015 Chevrolet Silverado?

Repairs may include replacing the cooling fan control module, repairing damaged wiring, or reprogramming/updating the ECM if needed.

7. Is the cooling fan control module a common failure point for the P135D code?

Yes, a faulty cooling fan control module is a common cause of this code and should be inspected during diagnosis.

8. Can a software update fix the P135D code on my 2015 Chevrolet Silverado?

In some cases, a software update or reprogramming of the ECM can resolve communication issues causing the P135D code.

9. How much does it cost to repair the P135D code on a 2015 Chevrolet Silverado?

Costs vary depending on the exact issue, but replacing a cooling fan control module typically ranges from $300 to $700, including parts and labor.

10. Can clearing the code fix the P135D issue?

Clearing the code may temporarily turn off the check engine light, but it wonâ€™t resolve the underlying issue causing the P135D code. Proper diagnosis and repair are necessary.