P25AF 2018 Chevrolet Silverado Code - Coolant Temperature Control Module Requested MIL Illumination
Quick Answer
Control modules constantly monitor the vehicle for any condition which may adversely affect vehicle performance. Common causes include Check Coolant Temperature Control Module for codes, Faulty Coolant Temperature Control Module. 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
- P25AF 2018 Chevrolet Silverado indicates Coolant Temperature Control Module Requested MIL Illumination.
- Common causes
- Common causes include Check Coolant Temperature Control Module for codes, Faulty Coolant Temperature Control Module.
- 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 P25AF 2018 Chevrolet Silverado Description
The DTC will be set when the ECM receives a serial data message from the Coolant Temperature Control Module indicating that DTC has been set in the module.
What are the Possible Causes of the DTC P25AF 2018 Chevrolet Silverado?
- Check Coolant Temperature Control Module for codes
- Faulty Coolant Temperature Control Module
How to Fix the DTC P25AF 2018 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 P25AF 2018 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.
Need more information about the P25AF 2018 Chevrolet Silverado code?
Need more information on how to fix the P25AF 2018 Chevrolet Silverado code? Get Access to Factory Service Manuals
Need Help with the Code?
Get the P25AF 2018 Chevrolet Silverado code diagnosed by a professional: Find a repair shop in your area
Frequently Asked Questions about P25AF 2018 Chevrolet Silverado Code
What does the OBDII code P25AF mean for a 2018 Chevrolet Silverado?
The code P25AF indicates that the Coolant Temperature Control Module has requested illumination of the Malfunction Indicator Lamp (MIL) due to a detected issue.
What are the common symptoms of the P25AF code?
Symptoms may include an illuminated check engine light, erratic coolant temperature readings, overheating, or reduced engine performance.
What causes the P25AF code to appear?
Common causes include a malfunctioning Coolant Temperature Control Module, wiring or connector issues, or a problem with the coolant temperature sensor.
How can I diagnose the P25AF code on my 2018 Silverado?
Diagnosis involves using a scan tool to read the code, inspecting the wiring and connectors for damage, and testing the coolant temperature sensor and module for proper function.
Can the P25AF code cause engine damage if ignored?
Yes, ignoring this code can lead to improper coolant temperature regulation, which may cause overheating and potential engine damage over time.
How do I fix the P25AF code on a Chevrolet Silverado?
Common fixes include repairing or replacing damaged wiring, connectors, or the Coolant Temperature Control Module, and ensuring the coolant temperature sensor is functioning correctly.
Is the P25AF code related to low coolant levels?
While low coolant levels can affect temperature regulation, this code specifically pertains to the Coolant Temperature Control Module and its communication with the MIL.
Can the P25AF code cause drivability issues?
Yes, this code can result in reduced engine efficiency, overheating, or erratic temperature readings, potentially affecting drivability.
Do I need professional help to fix the P25AF code?
If you’re comfortable working with vehicle electronics and sensors, you can attempt repairs. However, professional assistance is recommended for accurate diagnosis and repair.
How much does it cost to repair the P25AF code?
Repair costs depend on the specific issue, ranging from $100 for minor wiring fixes to $500 or more for module replacement.
Discuss the causes and fixes for P25AF 2018 Chevrolet Silverado OBDII Code
Code P25AF 2018 Chevrolet Silverado 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.
