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Diagnostic Trouble Code: B1790
Diagnostic Trouble Code Name: Autolamp Sensor Input Circuit Failure. Twilight sensor input circuit failure
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:
Engine Speed No Signal
Possible Sensor Faults
TCM
Possible Related Diagnostic Trouble Codes
DTC P0727
Circuit / System Description
Engine speed information is sent to the transmission control module (TCM) by the powertrain control module (PCM) through a communication network called the controller area network (CAN). Two circuits are used to communicate CAN data between the PCM and TCM. A fault in the CAN will not cause DTC?P0727 to set by itself. If a CAN fault occurs, other DTCs will set before DTC?P0727.
When the PCM sends the TCM an invalid engine speed, then DTC?P0727 will set. DTC?P0727 is a type?A DTC.
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