C1456 AWD Clutch Power Control Circuit Low 2

OBD2 Code: C1456

Description: AWD Clutch Power Control Circuit Low 2

Definition: This code indicates a problem with the all-wheel-drive (AWD) system, specifically related to the power control circuit for the clutch. The “low” designation suggests that there is insufficient voltage or an open circuit in this part of the system.

C1456 – AWD Clutch Power Control Circuit Low

Typical Severity: Moderate

Common Causes

C1456 – AWD Clutch Power Control Circuit Low 2

Description: This code indicates a low voltage condition in the power control circuit of the AWD clutch system.

Common Causes:

• Faulty AWD clutch solenoid
• Defective wiring or connectors in the power control circuit
• Low transmission fluid level
• Malfunctioning AWD control module

Common Misdiagnosis

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OBD2 Code: C1456

Description: AWD Clutch Power Control Circuit Low

Common Misdiagnosis: Replacing the AWD clutch assembly without checking the wiring or connectors for damage or corrosion.

Common Diagnostic Steps

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OBD2 Code: C1456

Description: AWD Clutch Power Control Circuit Low

• Check the AWD fuse and replace if necessary.
• Inspect the wiring harness for any signs of damage or corrosion.
• Test the AWD clutch power control circuit for proper voltage using a multimeter.
• Examine connectors and terminals for looseness or poor connections, and repair as needed.
• Verify that the AWD control module is functioning correctly; replace if faulty.
• Clear the code and test drive to see if it returns, indicating further issues may be present.