OBD Guide

C145F

AWD System Temporarily Disabled Overtemperature

C145F is an OBD-II diagnostic trouble code meaning: AWD System Temporarily Disabled Overtemperature. Common causes: intensive use of the awd system, four-wheel drive clutch cooling malfunction. Estimated repair cost: $22–222.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$22–222 (est.)

Symptoms

  • Disabling the all-wheel drive system
  • AWD malfunction indicator light comes on
  • Deterioration in acceleration dynamics
  • Possible front wheel slip

Causes

  • Intensive use of the AWD system
  • Four-wheel drive clutch cooling malfunction
  • Problems with the AWD electronic control unit
  • Worn or dirty coupling (viscous/electronic)
  • Low differential oil level

How to Fix

  1. Allow the system to cool (15-30 minutes)
  2. Check the oil level in the differential and gearbox
  3. Diagnose the condition of the all-wheel drive clutch
  4. Check the operation of the AWD cooling system
  5. Clean the clutch radiator if there is contamination
  6. Replace the clutch or fluid if wear is detected

Related codes

FAQ

What does the C145F code mean?

C145F is an OBD-II diagnostic trouble code that indicates: AWD System Temporarily Disabled Overtemperature

What causes a C145F error code?

The most common causes of C145F include: Intensive use of the AWD system; Four-wheel drive clutch cooling malfunction; Problems with the AWD electronic control unit; Worn or dirty coupling (viscous/electronic).

How do I fix a C145F diagnostic trouble code?

To fix C145F: Allow the system to cool (15-30 minutes). Check the oil level in the differential and gearbox. Diagnose the condition of the all-wheel drive clutch. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with C145F?

Limited driving only, diagnose soon

How much does it cost to fix C145F?

The estimated repair cost for C145F is $22–222. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat