AutoCodes – Generic – C1456

C1456 Code - AWD Clutch Power Control Circuit Low

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: C1456 indicates AWD Clutch Power Control Circuit Low.
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 11,390

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 C1456 Description

The All Wheel Drive (AWD) Control Module monitors the Electronically Controlled Clutch (ECC) Solenoid. The AWD Control Module detects the ECC Solenoid Power Control is shorted low.

OBDII Code C1456 - AWD Clutch Power Control Circuit Low - AutoCodes.com — C1456 Code - AWD Clutch Power Control Circuit Low

What does this mean?

What are the Possible Causes of the DTC C1456?

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 C1456?

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 C1456 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 C1456 code?

Need more information on how to fix the C1456 code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the C1456 code diagnosed by a professional: Find a repair shop in your area

Information for Specific Makes

C1456 Chrysler — AWD Clutch Power Control Circuit Low
C1456 Dodge — AWD Clutch Power Control Circuit Low
C1456 Jeep — AWD Clutch Power Control Circuit Low

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 C1456 Code

1. What are common symptoms of OBDII code C1456 (AWD Clutch Power Control Circuit Low)?

- Common symptoms include difficulty engaging or disengaging the AWD system, poor vehicle handling in slippery conditions, and the illumination of the AWD warning light on the dashboard.

2. What are possible causes of OBDII code C1456?

- Possible causes include a faulty AWD clutch actuator, damaged wiring or connectors in the AWD system, low transmission fluid levels, or a malfunctioning AWD control module.

3. How can I diagnose the cause of OBDII code C1456?

- Diagnosing this code typically involves using a scan tool to retrieve freeze frame data, checking the AWD system components for visible damage, and performing continuity tests on the wiring harness.

4. Can I continue driving my vehicle with OBDII code C1456?

- It is not recommended to continue driving your vehicle with this code present, as it can lead to further damage to the AWD system and compromise vehicle safety.

5. What repairs may be needed to fix OBDII code C1456?

- Repairs may involve replacing the AWD clutch actuator, repairing or replacing damaged wiring or connectors, topping up transmission fluid levels, or reprogramming the AWD control module.

6. How much does it cost to repair OBDII code C1456?

- The cost of repairs for this code can vary depending on the specific cause and the labor rates in your area. It is recommended to obtain quotes from reputable automotive repair shops.

7. Can OBDII code C1456 be triggered by a loose gas cap?

- No, OBDII code C1456 is specific to the AWD clutch power control circuit and is not related to the fuel system or a loose gas cap.

8. Will resetting the OBDII code C1456 turn off the AWD warning light?

- Resetting the code may temporarily turn off the AWD warning light, but if the underlying issue is not addressed, the light is likely to come back on once the fault is detected again.

9. How can I prevent OBDII code C1456 from recurring in the future?

- Regular maintenance of the AWD system, including checking fluid levels and inspecting for any signs of damage, can help prevent this code from recurring. Additionally, driving cautiously in slippery conditions can reduce strain on the AWD system.

10. Is OBDII code C1456 a common issue in certain vehicle makes or models?

- This code may be more common in vehicles equipped with AWD systems, particularly in models that have been on the road for an extended period. It is always best to consult your vehicle's specific service manual for more information.