P135C GMC Code - Cooling Fan 1 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 1, Cooling Fan 1 harness is open or shorted, Cooling Fan 1 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
- P135C GMC indicates Cooling Fan 1 Status Signals Message Counter Incorrect.
- Common causes
- Common causes include Faulty Cooling Fan 1, Cooling Fan 1 harness is open or shorted, Cooling Fan 1 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.
Code P135C GMC Description
What are the Possible Causes of the DTC P135C GMC?
- Faulty Cooling Fan 1
- Cooling Fan 1 harness is open or shorted
- Cooling Fan 1 circuit poor electrical connection
How to Fix the DTC P135C GMC?
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 P135C GMC 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 P135C GMC code?
Need more information on how to fix the P135C GMC code? Get Access to Factory Service Manuals
Need Help with the Code?
Get the P135C GMC code diagnosed by a professional: Find a repair shop in your area
Information for Specific GMC Models
- P135C 2014 GMC Sierra — Cooling Fan 1 Status Signals Message Counter Incorrect
- P135C 2015 GMC Sierra — Cooling Fan 1 Status Signals Message Counter Incorrect
- P135C 2016 GMC Sierra — Cooling Fan 1 Status Signals Message Counter Incorrect
- P135C 2017 GMC Sierra — Cooling Fan 1 Status Signals Message Counter Incorrect
- P135C 2018 GMC Sierra — Cooling Fan 1 Status Signals Message Counter Incorrect
Frequently Asked Questions about P135C GMC Code
1. What are the common symptoms of OBDII code P135C GMC?
- The common symptoms of code P135C GMC include the cooling fan not operating properly, engine overheating, and the Check Engine Light illuminated on the dashboard.
2. What are the possible causes of OBDII code P135C GMC?
- Possible causes of code P135C GMC include a faulty cooling fan motor, damaged wiring or connectors in the cooling fan circuit, a defective cooling fan control module, or a malfunctioning engine control module (ECM).
3. How can I diagnose OBDII code P135C GMC?
- To diagnose code P135C GMC, you can start by visually inspecting the cooling fan and its components, checking the wiring and connectors for any visible damage, and using an OBDII scanner to retrieve specific diagnostic trouble codes.
4. Is it safe to drive with OBDII code P135C GMC active?
- It is not recommended to drive with code P135C GMC active, as it can lead to engine overheating and potential damage. It is best to address the issue promptly to prevent further complications.
5. How can I repair OBDII code P135C GMC?
- Repairing code P135C GMC may involve replacing the cooling fan motor, repairing or replacing damaged wiring or connectors, replacing the cooling fan control module, or reprogramming the engine control module (ECM) if necessary.
6. Can a DIY enthusiast fix OBDII code P135C GMC?
- Depending on your experience and access to tools, a DIY enthusiast may be able to address code P135C GMC by following repair guides, troubleshooting steps, and utilizing the appropriate replacement parts.
7. How much does it cost to repair OBDII code P135C GMC at a mechanic?
- The cost of repairing code P135C GMC at a mechanic can vary based on the specific diagnosis, parts needed, and labor rates. It is advisable to obtain quotes from multiple mechanics for an accurate estimate.
8. What other issues can arise if OBDII code P135C GMC is left untreated?
- If left untreated, code P135C GMC can lead to engine overheating, potential damage to the cooling system components, reduced engine performance, and even engine failure in severe cases.
9. Can resetting the OBDII system clear code P135C GMC?
- Resetting the OBDII system may temporarily clear code P135C GMC, but if the underlying issue is not addressed, the code is likely to reappear once the problem is detected again by the ECM.
10. How can I prevent OBDII code P135C GMC from recurring?
- To prevent code P135C GMC from recurring, it is essential to perform regular maintenance on the cooling system, address any cooling fan issues promptly, and follow recommended service intervals for your vehicle.
Discuss the causes and fixes for P135C GMC OBDII Code
Code P135C GMC comments
No comments found for this page.
Fix Your Car Smarter
Try the New AutoCodes App!
Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.
