Diagnostic Trouble Code: B1251
Diagnostic Trouble Code Name: Air Temperature Internal Sensor Circuit Open Input floats > 4.56V
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:
Immobilizer Antenna Short to B+
Possible Sensor Faults
Body Control Module
Possible Related Diagnostic Trouble Codes
DTC 034-037
Circuit / System Description
A chip within the ignition key contains a transponder code in which the BCM is programmed to recognize. When the key is inserted into the ignition, the transponder code is read wirelessly by BCM. If the transponder code matches the code programmed within the BCM and serial data message is sent to the ECM which will allow the vehicle to start.
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