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MP 3023-NQH Transfer Case



DTC C0569

Diagnostic Instructions

- Perform the Diagnostic System Check - Vehicle prior to using this diagnostic procedure.
- Review Strategy Based Diagnosis for an overview of the diagnostic approach.
- Diagnostic Procedure Instructions provides an overview of each diagnostic category.

DTC Descriptor

DTC C0569 4B: System Configuration Error Calibration Not Learned.

Circuit/System Description

- This is an internal fault detection of the transfer case shift control module (TCCM). No external circuits are involved.
- This DTC is set anytime a TCCM is replaced or reprogrammed.
- The automatic transfer case (ATC) motor learn procedure must be performed in order for the TCCM to learn current clutch tolerance based on clutch stackup and accumulated clutch wear.

Conditions for Running the DTC

- Ignition ON.
- System voltage 10.5-18 V.

Conditions for Setting the DTC

The ATC motor learn procedure for a new or reprogrammed TCCM has not been performed.

Action Taken When the DTC Sets

- Mode shifting is disabled until the ATC motor learn procedure has been performed.
- The SERVICE 4WD indicator illuminates.
- No mode position LED's illuminated.

Conditions for Clearing the DTC

- The TCCM clears the DTC once the ATC motor learn procedure has been successfully performed.

Circuit/System Testing

Perform the ATC motor learn procedure. Refer to Transfer Case High/Low Clutch Reset.