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Diagnostic Trouble Code: 6
Diagnostic Trouble Code Name: Automatic Temperature Controller Malfunction
Vehicle Make: Chevrolet
Vehicle Model: Epica (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:
Accelerator Pedal Position Sensor 1-2 Correlation
Possible Sensor Faults
ECM
Possible Related Diagnostic Trouble Codes
DTC P2122, P2123, P2127, P2128, or P2138 for the 2.8L, 3.0L, 3.2L, or 3.6L engine
Circuit / System Description
The throttle body assembly contains 2 throttle position (TP) sensors. The TP sensors are mounted to the throttle body assembly and are not serviceable. The TP sensors provide a signal voltage that changes relative to throttle blade angle. The engine control module (ECM) supplies the TP sensors with a common 5-volt reference circuit, a common low reference circuit, and 2 independent signal circuits.
The TP sensors have opposite functionality. TP sensor?1 signal voltage decreases and TP sensor?2 signal voltage increases as the accelerator pedal increases to wide open throttle (WOT).
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