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Diagnostic Trouble Code: B1253
Diagnostic Trouble Code Name: Air Temperature Internal Sensor Circuit Short To Ground Input < 0.32V, 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:
Right Seat Cushion Heater Circuit
Possible Sensor Faults
Heated Seat Module
Possible Related Diagnostic Trouble Codes
DTC B2425 or B2430
Circuit / System Description
The driver and front passenger heated seats are controlled by the front seat heating control module that is located under the driver seat cushion. When the heated seat is active, the module applies power through a common voltage supply circuit to the seat heater elements. The module controls the seat temperature by providing a pulse width modulation (PWM) ground through the seat heater element control circuit to the heater elements. The module then monitors the current flow through the heating elements and the rate of change of the temperature sensor to verify correct heated seat operation.
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