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Diagnostic Trouble Code: B1791
Diagnostic Trouble Code Name: Autolamp Sensor Input Circuit Open
Vehicle Make: Ford
Vehicle Model: Falcon (BF)
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 1 Valve Performance -- Stuck Off
Possible Sensor Faults
TCM
Possible Related Diagnostic Trouble Codes
DTC P0751
Circuit / System Description
The shift solenoid?(SS) valve?1 is part of the lower control valve body. The SS valve?1 is a normally closed?(NC) solenoid valve and controls fluid to the clutch select valve 3- and related clutches. During this diagnostic test, intrusive actions are taken by the transmission control module (TCM) to test the SS valve?1 to see if the valve is stuck OFF. When attempting first gear engine braking, if first gear ratio is not achieved in a predetermined period of time and the closest gear ratio detected is fourth, the TCM will command second gear. If second gear ratio is attained this indicates a stuck OFF SS valve?1 and the DTC will set.
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