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Diagnostic Trouble Code: 123
Diagnostic Trouble Code Name: Throttle Position Sensor (TPS) circuit high input
Vehicle Make: Ford
Vehicle Model: Falcon (EF)
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:
Device Ignition 1 Circuit
Possible Sensor Faults
Body Control Module
Possible Related Diagnostic Trouble Codes
DTC B1370-B1379, B1380-B1389, or B1440-B1443
Circuit / System Description
The vehicle power mode master (PMM) is the body control module (BCM). The ignition switch is a low current switch with multiple discrete circuits to the BCM. The BCM logic uses the ignition switch positions to identify the operator\'s desired power mode and activate specific discrete signals, and serial data messages for the operation of different subsystems as necessary. Other modules which have switched voltage inputs may operate in a default mode if the PMM serial data message does not match what the individual module can detect from its own connections.
The PMM will activate relays and other direct outputs of the PMM as needed according to the calculated power mode. Some relays controlled by the BCM are switched ignition voltage outputs that are pass through circuits within the BCM directly from the ignition switch. If these circuits short to ground, the B+ circuit fuse to the ignition switch will open.
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