P135F Code - Cooling Fan 4 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 4, Cooling Fan 4 harness is open or shorted, Cooling Fan 4 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
- P135F indicates Cooling Fan 4 Status Signals Message Counter Incorrect.
- Common causes
- Common causes include Faulty Cooling Fan 4, Cooling Fan 4 harness is open or shorted, Cooling Fan 4 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 P135F Description
What are the Possible Causes of the DTC P135F?
- Faulty Cooling Fan 4
- Cooling Fan 4 harness is open or shorted
- Cooling Fan 4 circuit poor electrical connection
How to Fix the DTC P135F?
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 P135F 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.
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Information for Specific Makes
- P135F Buick — Cooling Fan 4 Status Signals Message Counter Incorrect
- P135F Cadillac — Cooling Fan 4 Status Signals Message Counter Incorrect
- P135F Chevrolet — Cooling Fan 4 Status Signals Message Counter Incorrect
- P135F GMC — Cooling Fan 4 Status Signals Message Counter Incorrect
Frequently Asked Questions about P135F Code
1. What are the common symptoms of OBDII code P135F (Cooling Fan 4 Status Signals Message Counter Incorrect)?
- Common symptoms include overheating of the engine, erratic cooling fan operation, and possible illumination of the check engine light.
2. What are the possible causes of OBDII code P135F?
- The code P135F can be caused by issues such as a malfunctioning cooling fan relay, a faulty cooling fan motor, wiring problems, or a defective engine control module (ECM).
3. How can I diagnose the root cause of OBDII code P135F?
- To diagnose the cause of code P135F, you can start by checking the cooling fan operation, inspecting the wiring harness for any damage, testing the cooling fan relay and motor, and scanning the ECM for other related error codes.
4. What are some repair tips for resolving OBDII code P135F?
- Repair tips for addressing code P135F may include replacing a faulty cooling fan relay, fixing any wiring issues, replacing a defective cooling fan motor, or reprogramming the ECM if necessary.
5. Can OBDII code P135F lead to serious engine damage if not addressed promptly?
- Yes, ignoring OBDII code P135F can potentially lead to serious engine damage due to overheating issues. It is important to address this code promptly to prevent any further damage.
6. Is it safe to continue driving with OBDII code P135F present?
- It is not recommended to continue driving with OBDII code P135F active, as it can lead to engine overheating and other related problems. It is best to address the issue as soon as possible.
7. How much does it typically cost to repair OBDII code P135F?
- The cost of repairing OBDII code P135F can vary depending on the root cause of the issue, the extent of the damage, and the labor rates of the repair shop. It is advisable to get a few quotes from different mechanics for an accurate estimate.
8. Can a DIY enthusiast fix OBDII code P135F at home?
- Depending on the mechanical skills and tools available, some DIY enthusiasts may be able to address OBDII code P135F at home by following repair guides or tutorials. However, it is crucial to ensure the correct diagnosis and repair procedures are followed to avoid further complications.
9. Will resetting the OBDII system clear the P135F code?
- Resetting the OBDII system may temporarily clear the P135F code, but it will likely reappear if the underlying issue causing the code is not addressed. It is important to diagnose and repair the root cause of the code for a permanent solution.
10. How long does it typically take to repair OBDII code P135F?
- The repair duration for OBDII code P135F can vary depending on the specific cause of the issue, the availability of parts, and the workload of the repair shop. In some cases, it can be resolved within a few hours, while more complex issues may require more time.
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