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DRIVE or REVERSE, the transmission continues to the commanded range until output High Output Speed Direction Change Shifts REVERSE to DRIVE, DRIVE to REVERSE, and NEUTRAL to REVERSE shifts, Low Automatic Transmission Fluid (ATF) Level Low Low ATF level is caused by insufficient transmission fluid and lack of initial pump prime, Extremely Low ATF temperature A shift out of NEUTRAL when the ATF temperature is below -45°C (-49°F) may be MALFUNCTIONS Which May Cause a Blinking PRNDL Failure to detect turbine speed pull-down during a shift may occur under the following A clutch is failed and the transmission cannot attain the requested range. Invalid gear ratio Pressure control solenoid failure Turbine or output speed sensor failure Lack of pressure at startup Conditions Which May Cause a BLANK PRNDL The PRNDL display may be blank because of failure of the internal mode switch circuits A, B, C, The transmission will command the most appropriate range, based on reverse pressure switch and ELECTRONIC COMPONENT DESCRIPTION
2008 Chevrolet Silverado 1500 2008 TRANSMISSION Automatic Transmission - Allison - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado
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