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Diagnostic Trouble Code: 027
Diagnostic Trouble Code Name: Driver Window Express Up Switch Circuit
Vehicle Make: Chevrolet
Vehicle Model: Tosca (V250)
Diagnostic Code Entered By: ZerOne
Diagnostic Code Entered On: Wed Oct 06, 2010 11:00 pm
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Please Note: The DTC Information provided has been randomly generated.
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Diagnostic Trouble Code Description:
Throttle Actuator Control Module Throttle Actuator Position Performance
Possible Sensor Faults
ECM
Possible Related Diagnostic Trouble Codes
DTC P1516, P2101, P2119, or P2176for the 2.8L, 3.0L, 3.2L, or 3.6L engine
Circuit / System Description
The engine control module (ECM) controls the throttle valve by applying a varying voltage to the control circuits of the throttle actuator control (TAC) motor. The ECM monitors the duty cycle that is required to actuate the throttle valve. The ECM monitors the throttle position (TP) sensors 1 and 2 to determine the actual throttle valve position.
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