OBD Guide
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C145A

AWD Clutch Return Control Circuit Low

C145A is an OBD-II diagnostic trouble code meaning: AWD Clutch Return Control Circuit Low. Common causes: open or short circuit in wiring harness, clutch control solenoid malfunction. Estimated repair cost: $56–167.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$56–167 (est.)

Symptoms

  • Reduced all-wheel drive efficiency
  • Check Engine Light Illuminated
  • System transition to emergency mode

Causes

  • Open or short circuit in wiring harness
  • Clutch control solenoid malfunction
  • Problems with the AWD control unit
  • Low transmission fluid level

How to Fix

  1. Check the integrity of the wiring harness and connectors
  2. Check the functionality of the clutch control solenoid
  3. Check transmission fluid level
  4. Scan the AWD control unit for additional errors
  5. If necessary, replace faulty components

Related codes

C145BC145CC145D

FAQ

What does the C145A code mean?

C145A is an OBD-II diagnostic trouble code that indicates: AWD Clutch Return Control Circuit Low

What causes a C145A error code?

The most common causes of C145A include: Open or short circuit in wiring harness; Clutch control solenoid malfunction; Problems with the AWD control unit; Low transmission fluid level.

How do I fix a C145A diagnostic trouble code?

To fix C145A: Check the integrity of the wiring harness and connectors. Check the functionality of the clutch control solenoid. Check transmission fluid level. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with C145A?

Limited driving only, diagnose soon

How much does it cost to fix C145A?

The estimated repair cost for C145A is $56–167. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat