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Engine-Codes – Generic – C145F

C145F Code - AWD System Temporarily Disabled Overtemperature

Quick Answer

The C145F diagnostic trouble code indicates that the All-Wheel Drive (AWD) system in the vehicle has been temporarily disabled due to overtemperature. Common causes include Overheating of the AWD system components due to excessive use or driving conditions, Faulty temperature sensors within the AWD system, Low levels of fluid in the AWD system. 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
C145F indicates AWD System Temporarily Disabled Overtemperature.
Common causes
Common causes include Overheating of the AWD system components due to excessive use or driving conditions, Faulty temperature sensors within the AWD system, Low levels of fluid in the AWD system.
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.
What is this?
Table of contents Created and updated by William Orellana on Aug 19, 2024
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Code C145F Description

The C145F diagnostic trouble code indicates that the All-Wheel Drive (AWD) system in the vehicle has been temporarily disabled due to overtemperature. This means that the system has detected that the temperature of certain components related to the AWD system has exceeded safe operating limits, leading to the system being shut down as a protective measure. The AWD system is crucial for providing traction and stability in various driving conditions, so its temporary disablement can impact the vehicle's performance, especially in slippery or challenging road conditions.

OBDII Code C145F - AWD System Temporarily Disabled Overtemperature
C145F Code - AWD System Temporarily Disabled Overtemperature

Common Causes of C145F

  1. Overheating of the AWD system components due to excessive use or driving conditions
  2. Faulty temperature sensors within the AWD system
  3. Low levels of fluid in the AWD system
  4. Electrical issues or wiring problems affecting the AWD system

Symptoms of C145F

  1. Illumination of the AWD warning light on the instrument cluster
  2. Loss of traction or stability in slippery road conditions
  3. Reduced performance or acceleration
  4. Unusual noises coming from the AWD system components

How to Fix C145F

  1. Diagnose the specific component or system that is causing the overtemperature condition in the AWD system
  2. Check the fluid levels in the AWD system and top up if necessary
  3. Inspect and replace any faulty temperature sensors related to the AWD system
  4. Address any electrical issues or wiring problems affecting the AWD system
  5. Clear the trouble code from the vehicle's computer system and test drive to ensure the issue has been resolved

Cost to Fix C145F

The cost of repairing the AWD system temporarily disabled overtemperature issue can vary depending on the specific cause of the problem and the extent of repairs needed. In general, the repair costs for this issue may range from $200 to $500, including parts and labor. However, it is important to note that labor rates and diagnosis time can vary between auto repair shops, so it is advisable to check with local shops for a more accurate estimate.

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Code C145F Information for Specific Makes

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 C145F Code

1. What are the common symptoms of OBDII code C145F (AWD System Temporarily Disabled Overtemperature)?

When this code is triggered, you may experience a warning light on the dashboard indicating that the AWD system has been temporarily disabled due to overtemperature.

2. What causes the OBDII code C145F to be set?

The most common cause of code C145F is overheating in the AWD system components, such as the transfer case or differential.

3. How serious is the OBDII code C145F?

While the AWD system being temporarily disabled is not an immediate safety concern, it is important to address the root cause of the overtemperature issue to prevent further damage to the system.

4. Can I continue to drive my vehicle with the AWD system temporarily disabled?

It is generally safe to drive your vehicle with the AWD system temporarily disabled, but it is recommended to have the issue diagnosed and repaired as soon as possible.

5. What are some DIY repair tips for OBDII code C145F?

You can start by checking the fluid levels in the AWD system components and ensuring proper cooling system function. If you are unable to diagnose the issue yourself, it is best to consult a professional mechanic.

6. How can I prevent OBDII code C145F from occurring again?

Regular maintenance of your AWD system, including fluid checks and cooling system inspections, can help prevent overheating issues that trigger code C145F.

7. Is it necessary to reset the OBDII code C145F after repairing the issue?

Once the underlying problem causing the overtemperature condition is fixed, the code should clear on its own after a few successful drive cycles. However, you can also use an OBDII scanner to clear the code manually.

8. How much does it typically cost to repair OBDII code C145F?

The cost of repairing code C145F can vary depending on the specific cause of the issue and the labor rates in your area. It is best to obtain quotes from local mechanics or dealerships for an accurate estimate.

9. Can extreme weather conditions contribute to triggering OBDII code C145F?

Yes, driving in extreme heat or towing heavy loads can increase the likelihood of the AWD system overheating and triggering code C145F.

10. Is OBDII code C145F a common issue in certain vehicle models?

While this code can occur in various AWD-equipped vehicles, it may be more common in SUVs, crossovers, or trucks that frequently engage the AWD system.

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