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P135E Chevrolet Code - Cooling Fan 3 Status Signals Message Counter Incorrect

Quick Answer

The P135E diagnostic trouble code for Chevrolet vehicles indicates that the Cooling Fan 3 Status Signals Message Counter is incorrect. Common causes include Faulty cooling fan relay, Defective cooling fan motor, Wiring issues in the cooling fan circuit. 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 Chevrolet indicates Cooling Fan 3 Status Signals Message Counter Incorrect.
Common causes
Common causes include Faulty cooling fan relay, Defective cooling fan motor, Wiring issues in the cooling fan circuit.
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.
What is this?
Table of contents Created and updated by William Orellana on Sep 14, 2024
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Code P135E Chevrolet Description

The P135E diagnostic trouble code for Chevrolet vehicles indicates that the Cooling Fan 3 Status Signals Message Counter is incorrect. This code typically points to a problem with the cooling fan system, specifically with the signals being sent to the engine control module (ECM). The cooling fan plays a crucial role in maintaining the engine's optimal operating temperature by dissipating heat generated during combustion. When the ECM receives incorrect signals regarding the status of the cooling fan, it can lead to issues with engine cooling and potentially result in overheating.

OBDII Code P135E Chevrolet - Cooling Fan 3 Status Signals Message Counter Incorrect
P135E Chevrolet Code - Cooling Fan 3 Status Signals Message Counter Incorrect

Common Causes of P135E Chevrolet

  1. Faulty cooling fan relay
  2. Defective cooling fan motor
  3. Wiring issues in the cooling fan circuit
  4. ECM malfunction
  5. Incorrect signals from the cooling fan sensor

Symptoms of P135E Chevrolet

  1. Engine overheating
  2. Cooling fan not engaging
  3. Poor fuel efficiency
  4. Check Engine Light illuminated
  5. Engine running hotter than normal

How to Fix P135E Chevrolet

  1. Begin by conducting a visual inspection of the cooling fan system, checking for any visible damage or loose connections.
  2. Use a diagnostic scanner to retrieve the specific trouble code and further pinpoint the issue within the cooling fan system.
  3. Test the cooling fan relay and motor for proper functionality, replacing any components that are found to be faulty.
  4. Inspect the wiring harness for any signs of damage or corrosion, repairing or replacing as necessary.
  5. Clear the trouble code from the ECM's memory and test the vehicle to ensure that the cooling fan system is operating correctly.

Cost to Fix P135E Chevrolet

The cost of repairing a P135E code on a Chevrolet vehicle can vary depending on the specific cause of the issue and the labor rates in your area. In general, you can expect to pay anywhere from $100 to $500 for parts and labor. Keep in mind that diagnostic time and labor rates can vary between auto repair shops, so it's advisable to obtain quotes from multiple sources to ensure you're getting a fair price. Additionally, the cost may be higher if the ECM needs to be replaced.

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Information for Specific Chevrolet Models

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 Chevrolet Code

What does the OBDII code P135E mean for a Chevrolet vehicle?

The OBDII code P135E indicates that there is an issue with the Cooling Fan 3 Status Signals Message Counter, suggesting a communication error or incorrect message count related to the cooling fan operation.

What are the common symptoms associated with the P135E code?

Common symptoms may include the cooling fan not operating correctly, engine overheating, or the check engine light being illuminated on the dashboard.

What can cause the P135E code to trigger?

Possible causes include a faulty cooling fan relay, a malfunctioning cooling fan, wiring issues, or problems with the Engine Control Module (ECM) or its software.

How can I diagnose the P135E code?

To diagnose the P135E code, use an OBDII scanner to read the trouble codes, inspect the wiring and connectors related to the cooling fan, and test the fan and relay for proper operation.

What repairs are typically needed to fix the P135E code?

Repairs may involve replacing a faulty cooling fan or relay, repairing any damaged wiring, or reprogramming or replacing the ECM if it is found to be defective.

Is it safe to drive a vehicle with the P135E code?

While it is possible to drive the vehicle, it is not recommended if the cooling fan is malfunctioning, as this can lead to engine overheating and potential damage.

How can I clear the P135E code after repairs?

After completing the necessary repairs, you can clear the code using an OBDII scanner, or by disconnecting the battery for a few minutes, but it’s best to use a scanner for a proper reset.

Will I need to reprogram the ECM to fix the P135E code?

Reprogramming the ECM may be necessary if the fault lies within its software or if a new ECM has been installed, as it ensures proper communication with the cooling fan system.

Can I prevent the P135E code from reoccurring?

Regular maintenance, including checking and replacing worn components, inspecting wiring, and ensuring proper fan operation, can help prevent the code from reoccurring.

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