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Diagnostic Trouble Code: B1693
Diagnostic Trouble Code Name: Autolamp On Circuit Failure. Autoheadlamps Driver Circuit Failure, External Fault.
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 2 Control Circuit Low Voltage
Possible Sensor Faults
TCM
Possible Related Diagnostic Trouble Codes
DTC P0976 or P0977
Circuit / System Description
The shift solenoid?(SS) 2 is part of the control solenoid (w/body and TCM) valve assembly. The assembly is attached to the lower control valve body and has no serviceable parts. The shift solenoid is a normally closed?(NC), On/Off solenoid. When the TCM opens the solenoid ground circuit, (solenoid off) solenoid signal fluid exhausts and the clutch select valve?3 moves to the non-apply position. The TCM shifts the transmission by operating the solenoids in on/off combinations. Solenoid power is supplied by the TCM through a high side driver?(HSD). The HSD protects the circuits and components that the TCM powers. Should the circuit overload the driver will shutdown. After the overload is removed the HSD reset.
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