AutoCodes – Generic – C145D

C145D Code - AWD Clutch Power/Return Control Circuit Open

Quick Answer

The All Wheel Drive (AWD) Control Module monitors the Electronically Controlled Clutch (ECC) Solenoid. Common causes include Faulty Electronically Controlled Clutch (ECC) Solenoid, ECC Solenoid harness is open or shorted, ECC Solenoid circuit poor electrical connection. 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: C145D indicates AWD Clutch Power/Return Control Circuit Open.
Common causes: Common causes include Faulty Electronically Controlled Clutch (ECC) Solenoid, ECC Solenoid harness is open or shorted, ECC Solenoid circuit poor electrical connection.
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.

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Code Popularity 7,088

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

What is this?

Table of contents Created and updated by William Orellana on Oct 05, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code C145D Description

The All Wheel Drive (AWD) Control Module monitors the Electronically Controlled Clutch (ECC) Solenoid. The AWD Control Module detects the ECC Solenoid Supply or Return Control circuit is open.

OBDII Code C145D - AWD Clutch Power/Return Control Circuit Open - AutoCodes.com — C145D Code - AWD Clutch Power/Return Control Circuit Open

What does this mean?

What are the Possible Causes of the DTC C145D?

Faulty Electronically Controlled Clutch (ECC) Solenoid
ECC Solenoid harness is open or shorted
ECC Solenoid circuit poor electrical connection
Faulty All Wheel Drive (AWD) Control Module

How to Fix the DTC C145D?

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 C145D 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 C145D code?

Need more information on how to fix the C145D code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the C145D code diagnosed by a professional: Find a repair shop in your area

Information for Specific Makes

C145D Chrysler — AWD Clutch Power/Return Control Circuit Open
C145D Dodge — AWD Clutch Power/Return Control Circuit Open
C145D Jeep — AWD Clutch Power/Return Control Circuit Open

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 C145D Code

What does the OBDII code C145D mean?

The OBDII code C145D indicates that there is an issue with the all-wheel drive (AWD) clutch power or return control circuit, specifically that it is open, meaning there is a break in the electrical circuit.

What are the common symptoms of the C145D code?

Common symptoms may include the AWD system not engaging, warning lights on the dashboard, reduced traction in slippery conditions, or abnormal noises from the drivetrain.

What can cause the C145D code to trigger?

The code can be triggered by issues such as a faulty AWD clutch actuator, damaged wiring or connectors in the control circuit, or a malfunctioning powertrain control module (PCM).

How can I diagnose the C145D code?

To diagnose the C145D code, check for any damaged wiring or connectors in the AWD clutch circuit, use a multimeter to test for continuity in the circuit, and inspect the AWD clutch actuator for proper operation.

What repairs can be done to fix the C145D code?

Repairs may include replacing damaged wiring or connectors, replacing a faulty AWD clutch actuator, or reprogramming or replacing the PCM if it is determined to be malfunctioning.

Can I drive my vehicle with the C145D code?

While it might be possible to drive the vehicle, it is not recommended, as it can lead to reduced traction and control in certain driving conditions, potentially causing further damage to the AWD system.

Are there any preventative measures to avoid the C145D code?

Regular maintenance of your vehicleâ€™s electrical systems, inspecting wiring and connectors for wear, and ensuring proper fluid levels in the AWD system can help prevent issues that may lead to the C145D code.

How do I clear the C145D code after repairs?

After completing repairs, you can clear the C145D code using an OBDII scanner. Simply connect the scanner to the vehicle's diagnostic port, navigate to the code section, and select the option to clear the codes.

Is the C145D code specific to certain vehicle makes or models?

The C145D code is used across various makes and models but may have specific implications depending on the vehicle's AWD system design. Always refer to the vehicle's service manual for model-specific information.