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Circuit/System Description This DTC indicates and RAM/ROM checksum, a EEPROM failure, or an ECU malfunction due Conditions for Running the DTC The ignition is ON. System voltage is 10.5-18 volts. Conditions for Setting the DTC The EEPROM, RAM and ROM, and ECM Microprocessor do self checks against one another Action Taken When the DTC Sets Shifting is still disabled until the DTC has cleared itself. The SERVICE 4WD indicator remains illuminated for the remainder of the current ignition 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
2008 Chevrolet Silverado 1500 2008 TRANSMISSION Transfer Case - MP 3023/3024-NQH - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado
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