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DTC C0392 08 Rotational Position Sensor Circuit Signal Invalid Diagnostic Fault Information Circuit/System Description The transfer case shift control module has an input from the transfer case two/four wheel drive Conditions for Running the DTC The ignition is ON. System voltage is 10.5-18 volts. Conditions for Setting the DTC The transfer case control module sees a PWM (RPS) voltage that does not constantly change The module does not receive a 5-volt reference of 4.8-5.2 volts. The RPS low reference circuits has an open or high resistance causing a low voltage Action Taken When the DTC Sets All shifting is disabled until the condition no longer exists. The SERVICE 4WD indicator remains illuminated for the remainder of the current ignition Circuit Short to Ground Open/High Resistance Short to Voltage Signal Invalid Rotational Position Sensor DTC C0392 02 - DTC C0392 DTC C0392 08
2008 Chevrolet Silverado 1500 2008 TRANSMISSION Transfer Case - MP 3023/3024-NQH - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado
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 Connector End View Reference Component Connector End Views 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 A RPS signal voltage that remains low 0.5 or lower indicates a short to ground on the RPS signal Circuit/System Testing The RPS 5-volt reference circuit, RPS low reference circuit, and RPS sensor signal circuits
2008 Chevrolet Silverado 1500 2008 TRANSMISSION Transfer Case - MP 3023/3024-NQH - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado
1. With the ignition on check the RPS 5-volt reference signal on the RPS connector pin 8 with the connector disconnected using a DMM. The DMM should indicate 4.8-5.2 volts, if the voltage is low check for an open or 2. With the transfer case shift control module connector X1 and X2 disconnected and the RPS disconnected check the RPS signal circuit and the RPS low reference circuits for shorts to If a shorting condition has been found then repair the circuits as necessary. If nothing is 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 Transfer Case Two/Four Wheel Drive Actuator Position Sensor Replacement DTC C0396 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 C0396 01 Incremental Position Sensor Circuit Short to Battery DTC C0396 02 Incremental Position Sensor Circuit Short to Ground
2008 Chevrolet Silverado 1500 2008 TRANSMISSION Transfer Case - MP 3023/3024-NQH - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado
DTC C0396 04 Incremental Position Sensor Open Circuit DTC C0396 05 Incremental Position Sensor Circuit Short to Battery or Open Diagnostic Fault Information Circuit/System Description The transfer case shift control module has an input from incremental sensor which shows the Conditions for Running the DTC The ignition is ON. System voltage is 10.5-18 volts. Conditions for Setting the DTC The transfer case control module sees a incremental 8-volt reference signal that is not The module does not receive a incremental impulse signal voltage between 0.5-4.6 volts. The incremental low reference circuit has an open or high resistance. Circuit Short to Ground Open/High Resistance Short to Voltage Signal Invalid Incremental Position Sensor DTC C0396 02 DTC C0396 04 DTC C0396 05 DTC C0396 -
2008 Chevrolet Silverado 1500 2008 TRANSMISSION Transfer Case - MP 3023/3024-NQH - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado
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