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Diagnostic Trouble Code: B1300
Diagnostic Trouble Code Name: Power Door Lock Circuit Failure Door Lock Motor Error / Driver?s door lock feedback did not change after lock action, External Fault
Vehicle Make: Ford
Vehicle Model: Falcon (FG)
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:
Backup Lamps Control Circuit
Possible Sensor Faults
Body Control Module
Possible Related Diagnostic Trouble Codes
DTC B2545
Circuit / System Description
Automatic Transmission
When the transmission is placed in the REVERSE position, the transmission control module (TCM) sends a serial data message to the body control module (BCM). The message indicates that the gear selector is in the REVERSE position. The BCM applies battery voltage to the backup lamps and inside rearview mirror. The backup lamps are permanently grounded. Once the driver moves the gear selector out of the REVERSE position, a message is sent by the TCM via serial data requesting the BCM to remove battery voltage from the backup lamps control circuit.
Manual Transmission
The engine control module (ECM) provides a signal circuit to the backup lamp switch which is permanently grounded. When the transmission is placed in the REVERSE position, the backup lamp switch signal circuit is pulled low and the ECM responds by sending a serial data message to the body control module (BCM). The message indicates that the gear selector is in the REVERSE position. The BCM applies battery voltage to the backup lamps which are permanently grounded at G403. Once the driver moves the gear selector out of the REVERSE position, a message is sent by the ECM via serial data requesting the BCM to remove battery voltage from the backup lamps control circuit.
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