P135E 2015 GMC Sierra Code - Cooling Fan 3 Status Signals Message Counter Incorrect
Quick Answer
The diagnostic trouble code P135E for a 2015 GMC Sierra indicates that the Cooling Fan 3 Status Signals Message Counter is incorrect. Common causes include Faulty cooling fan relay, Damaged wiring harness, Malfunctioning cooling fan motor. 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 relay, Damaged wiring harness, Malfunctioning cooling fan motor.
- 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 P135E 2015 GMC Sierra Description
The diagnostic trouble code P135E for a 2015 GMC Sierra indicates that the Cooling Fan 3 Status Signals Message Counter is incorrect. This code typically means that there is an issue with the communication signals being sent by the cooling fan system in the vehicle. The cooling fan plays a crucial role in maintaining the optimal operating temperature of the engine by dissipating heat generated during combustion. When the cooling fan system malfunctions, it can lead to overheating, which can cause serious damage to the engine.
Common Causes of P135E 2015 GMC Sierra
- Faulty cooling fan relay
- Damaged wiring harness
- Malfunctioning cooling fan motor
- Problem with the engine control module (ECM)
- Electrical issues such as blown fuses or loose connections
Symptoms of P135E 2015 GMC Sierra
- Engine overheating
- Cooling fan not turning on
- Poor air conditioning performance
- Check Engine Light illuminated
- Reduced fuel efficiency
How to Fix P135E 2015 GMC Sierra
- Begin by conducting a visual inspection of the cooling fan system, checking for any visible damage to the wiring harness or cooling fan components.
- Test the cooling fan relay using a multimeter to determine if it is functioning correctly. Replace the relay if necessary.
- Check the cooling fan motor for proper operation by applying power directly to it. Replace the motor if it fails to turn on.
- Inspect the ECM for any signs of damage or malfunction. If the ECM is determined to be the issue, it may need to be reprogrammed or replaced.
- Clear the diagnostic trouble code from the vehicle's computer after completing the repairs and test the cooling fan system to ensure proper operation.
Cost to Fix P135E 2015 GMC Sierra
The cost of repairing the Cooling Fan 3 Status Signals Message Counter Incorrect issue can vary depending on the specific cause of the problem. In general, the cost of parts such as a cooling fan relay or motor can range from $50 to $200, while labor costs can range from $100 to $300. Overall, the total repair cost for this issue may fall between $150 and $500. It is important to note that these are rough estimates, and actual costs may vary based on factors such as location, vehicle make and model, and the extent of the repairs needed. It is recommended to consult with a qualified mechanic or auto repair shop for a more accurate cost estimate.
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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 it’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.
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