Engine-CodesChevrolet – P112F Chevrolet

P112F Chevrolet Code - Radiator Coolant Temperature Sensor

Quick Answer

The P112F code for Chevrolet vehicles indicates a problem with the Radiator Coolant Temperature Sensor. Common causes include Faulty Radiator Coolant Temperature Sensor, Wiring or connection issues, Corrosion or damage to sensor. 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
P112F Chevrolet indicates Radiator Coolant Temperature Sensor.
Common causes
Common causes include Faulty Radiator Coolant Temperature Sensor, Wiring or connection issues, Corrosion or damage to sensor.
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.
Table of contents Created and updated by William Orellana on Aug 30, 2024
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Code P112F Chevrolet Description

The P112F code for Chevrolet vehicles indicates a problem with the Radiator Coolant Temperature Sensor. This sensor is responsible for monitoring the temperature of the engine coolant and transmitting this information to the engine control module. The engine control module uses this data to adjust fuel mixture, ignition timing, and other parameters to optimize engine performance and efficiency.

OBDII Code P112F Chevrolet - Radiator Coolant Temperature Sensor
P112F Chevrolet Code - Radiator Coolant Temperature Sensor

Common Causes of P112F Chevrolet

  1. Faulty Radiator Coolant Temperature Sensor
  2. Wiring or connection issues
  3. Corrosion or damage to sensor
  4. Coolant level or quality issues
  5. Engine overheating causing sensor malfunction

Symptoms of P112F Chevrolet

  1. Check Engine Light is illuminated
  2. Engine running hotter or colder than normal
  3. Decreased fuel efficiency
  4. Rough idling or stalling
  5. Cooling fan running continuously or not at all

How to Fix P112F Chevrolet

  1. Begin by diagnosing the issue using a scan tool to confirm the P112F code and check for any related codes.
  2. Inspect the wiring and connections to the Radiator Coolant Temperature Sensor for any damage or corrosion. Repair or replace as necessary.
  3. Test the sensor using a multimeter to ensure it is providing accurate readings. Replace the sensor if it is faulty.
  4. Clear the diagnostic trouble codes and reset the engine control module.
  5. Test drive the vehicle to ensure the issue has been resolved and the code does not return.

Cost to Fix P112F Chevrolet

The cost of repairing a Radiator Coolant Temperature Sensor can vary depending on the make and model of the vehicle, as well as the labor rates in your area. On average, the cost of replacing the sensor and addressing any related issues can range from $150 to $300. It is recommended to consult with a trusted mechanic or dealership for a more accurate estimate based on your specific vehicle.

Tech Notes for P112F Chevrolet





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About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

Frequently Asked Questions about P112F Chevrolet Code

1. What does the OBDII code P112F mean for a Chevrolet?

P112F indicates an issue with the Radiator Coolant Temperature Sensor, often related to a discrepancy between coolant temperature readings and expected values.

2. What are common symptoms of code P112F in a Chevrolet?

Symptoms may include engine overheating, poor fuel efficiency, an illuminated check engine light, and erratic temperature gauge readings.

3. What causes the P112F code to trigger?

Common causes include a faulty radiator coolant temperature sensor, damaged wiring or connectors, or issues with the engine cooling system, such as low coolant levels.

4. Can I drive my Chevrolet with the P112F code active?

It’s not recommended to drive for extended periods, as this code may indicate cooling system problems that could lead to engine overheating and potential damage.

5. How is the P112F code diagnosed?

A technician will typically use a diagnostic scanner to confirm the code, inspect the radiator coolant temperature sensor, check for wiring issues, and verify coolant levels.

6. How can I fix the P112F code in my Chevrolet?

Repairs may involve replacing the faulty radiator coolant temperature sensor, repairing damaged wiring or connectors, or addressing cooling system problems like topping off or flushing the coolant.

7. How much does it cost to fix the P112F code?

Repair costs vary but typically range from $100 to $300, depending on whether the sensor, wiring, or cooling system requires attention.

8. Can low coolant levels cause the P112F code?

Yes, low coolant levels can result in irregular temperature readings, which may trigger the P112F code.

9. How do I prevent the P112F code from recurring?

Regular maintenance, including checking coolant levels, inspecting the cooling system for leaks, and ensuring sensors and wiring are in good condition, can help prevent this code.

10. Does the P112F code affect vehicle performance?

Yes, if left unresolved, the code can lead to engine performance issues, such as overheating, reduced fuel efficiency, and potential long-term engine damage.

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