P135C 2015 Chevrolet Silverado 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 2015 Chevrolet Silverado 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 2015 Chevrolet Silverado Description
What are the Possible Causes of the DTC P135C 2015 Chevrolet Silverado?
- 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 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 P135C 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.
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Frequently Asked Questions about P135C 2015 Chevrolet Silverado Code
1. What does the OBDII code P135C mean on a 2015 Chevrolet Silverado?
The code P135C indicates that the Cooling Fan 1 status signal message counter is incorrect, meaning there’s a communication issue between the fan control module and the ECM.
2. What are the common symptoms of code P135C in a 2015 Silverado?
Symptoms may include the cooling fan not operating as expected, engine overheating, and possible check engine light illumination.
3. What causes the P135C code to appear in a 2015 Chevrolet Silverado?
Common causes include a faulty cooling fan module, wiring or connector issues, or a malfunctioning engine control module (ECM).
4. Can a faulty cooling fan trigger the P135C code?
Yes, a malfunctioning cooling fan or its control module can cause improper signals, triggering the P135C code.
5. How can I diagnose the P135C code on my Silverado?
Use a scan tool to confirm the code, inspect the cooling fan control module, and check the wiring and connectors for damage or corrosion.
6. Is it safe to drive with the P135C code active?
Driving with this code can cause engine overheating, which may lead to severe engine damage. It’s best to address the issue promptly.
7. How do I fix the P135C code on a 2015 Chevy Silverado?
Repairs may include replacing the cooling fan module, repairing damaged wires, cleaning connectors, or reprogramming the ECM if necessary.
8. Can a blown fuse cause the P135C code?
Yes, a blown fuse related to the cooling fan circuit can disrupt communication and trigger the P135C code.
9. Does the P135C code always mean the cooling fan is bad?
No, the issue could also be related to wiring, connectors, or the ECM. Proper diagnostics are necessary to pinpoint the root cause.
10. How much does it cost to repair the P135C code on a Silverado?
Repair costs vary depending on the issue but may range from $100 for wiring repairs to $500 or more if the cooling fan module needs replacement.
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