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Testing for Intermittent Conditions and Poor Connections Wiring Repairs Scan Tool Reference Scan Tool Data List Scan Tool Data Definitions Diagnostic Aids It is sometimes possible to set this DTC falsely due to low voltage. Attempt to clear this DTC and Circuit/System Testing If this DTC sets attempt to clear the DTC and Retest. If the DTC is cleared, but then resets then replace the transfer case control module, Repair Procedures Perform the Diagnostic Repair Verification after completing the diagnostic procedure. Control Module References for TCSCM replacement, setup, and programming Transfer Case High/Low Clutch Reset 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 Data Not Learned Diagnostic Fault Information
2008 Chevrolet Silverado 1500 2008 TRANSMISSION Transfer Case - MP 3023/3024-NQH - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado
Circuit/System Description This DTC is set anytime a new transfer case shift control module is installed. The transfer case Conditions for Running the DTC The ignition is ON. System voltage is 10.5-18 volts. Conditions for Setting the DTC The motor learn procedure for a new module has not been performed. Action Taken When the DTC Sets Shifting is still disabled until the motor learn procedure has been performed. The SERVICE 4WD indicator does not light for this DTC. Conditions for Clearing the DTC The transfer case shift control module clears the DTC if the motor learn procedure has been Reference Information Schematic Reference Transfer Case Control Schematics Connector End View Reference Component Connector End Views Circuit Short to Ground Open/High Resistance Watchdog/Safety Failure Internal Electronic Failure Electronic Control Unit - - DTC C0550 39 DTC C0550 39
2008 Chevrolet Silverado 1500 2008 TRANSMISSION Transfer Case - MP 3023/3024-NQH - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado
Electrical Information Reference Circuit Testing Connector Repairs Testing for Intermittent Conditions and Poor Connections Wiring Repairs Scan Tool Reference Scan Tool Data List Scan Tool Data Definitions Diagnostic Aids Perform the motor learn procedure before normal operation will occur. Circuit/System Testing Perform the motor learn procedure. Repair Procedures Perform the Diagnostic Repair Verification after completing the diagnostic procedure. Transfer Case High/Low Clutch Reset DTC C0896 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 C0896 03 Device Voltage Range Voltage Below Threshold DTC C0896 07
2008 Chevrolet Silverado 1500 2008 TRANSMISSION Transfer Case - MP 3023/3024-NQH - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado
Device Voltage Range Voltage Above Threshold Diagnostic Fault Information Circuit/System Description This DTC is set up to detect a high or low voltage situation. This could indicate a vehicle issue in Conditions for Running the DTC The ignition is ON. System voltage is 10.5-18.5 volts. Conditions for Setting the DTC The voltage is above 18.5 volts or below 10.5 volts for 15 seconds. Action Taken When the DTC Sets Shifting is disabled until the voltages change to be within the specifications. The SERVICE 4WD will illuminate for the remainder for the ignition cycle. Conditions for Clearing the DTC The transfer case shift control module clears the DTC if the condition for setting the DTC is A history DTC clears after 40 consecutive warm up cycles without a fault present. History DTCs can be cleared using a scan tool. Reference Information Schematic Reference Transfer Case Control Schematics Circuit Short to Ground Open/High Resistance Voltage Below Threshold Voltage Above Threshold Device Voltage Range - - DTC C0896 DTC C0896 07
2008 Chevrolet Silverado 1500 2008 TRANSMISSION Transfer Case - MP 3023/3024-NQH - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado
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