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Diagnostic Trouble Code: P0121
Diagnostic Trouble Code Name: Throttle Position Sensor (TP - TPS) circuit range/performance problem.
Vehicle Make: Ford
Vehicle Model: Falcon (BA)
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:
Shift Solenoid 3Valve Performance -- Stuck On
Possible Sensor Faults
TCM
Possible Related Diagnostic Trouble Codes
DTC P0762
Circuit / System Description
The 1-2, 2-3, reverse shift solenoid valve?(S3) is a normally-closed exhaust valve. The transmission control module (TCM) controls the 1-2, 2-3, reverse shift solenoid valve?(S3) with an internal driver that pulls the solenoid control circuit to voltage. During a 3-4 gear shift, the TCM will turn the 1-2, 2-3, reverse shift solenoid valve?(S3) OFF. If the 1-2, 2-3, reverse shift solenoid valve?(S3) does not close, the U2?shift valve?(392) will not move, and a 1.92:1 gear ratio will result in 4th gear, and a 1.45:1 gear ratio will result in 5th gear.
If the TCM detects a 1.92:1 gear ratio in 4th gear, or a 1.45:1 gear ratio in 5th gear, then DTC?P0762 sets. DTC?P0762 is a type?A DTC
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