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Diagnostic Trouble Code: 19
Diagnostic Trouble Code Name: TCM Battery input voltage out of range
Vehicle Make: Ford
Vehicle Model: Falcon (EL)
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:
Lost Communications with UART System
Possible Sensor Faults
PIM
Possible Related Diagnostic Trouble Codes
DTCU1304
Circuit / System Description
The transmission control module (TCM), ABS-TCS electronic control module (ECU) and engine control module (ECM) transmit and receive data using the GM LAN serial data protocol, while the body control module (BCM) and other vehicle control modules use the universal asynchronous receive and transmit (UART) serial data protocol.
As the GM LAN and UART protocols are not compatible, a powertrain interface module (PIM) is integrated into the serial data system to enable communication between the two different protocols.
The PIM monitors the UART serial data bus for traffic, and if the PIM does not detect any traffic on the UART serial data bus, DTC U1304 sets.
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