Detroit DD13 J1939 Wheel-Based Vehicle Speed Sensor Signal Missing

Detroit DD13 EPA10 (2010-13) trouble code SPN 84 FMI 13 (MCM) J1939 Wheel-based vehicle speed sensor signal from source #1,#2 or #3 is missing.

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DESCRIPTION:

J1939 vehicle speed sensor signal missing.

 

MONITORED PARAMETER:

Vehicle Speed Sensor (VSS).

 

TYPICAL ENABLING CONDITIONS:

1 Rpm greater than 1500.

2 Torque demand on.

 

MONITOR SEQUENCE:

None EXECUTION

 

FREQUENCY: Continuous when enabling conditions met.

 

TYPICAL DURATION:

10 seconds

 

DASH LAMPS:

MIL

 

VERIFICATION:

1 Rpm greater than 1500.

2 Torque demand on.

 

NOTE: If codes for other modules are present, fix those first.

 

PROBABLE CAUSES:

1 Improper programming of the CPC (Common Powertrain Controller).

2 Other failed modules on the truck (Transmission, ABS, Cab controller, etc…).

3 Battery/battery cable issues, or electrical issue on truck.

 

More repair cases for Detroit Diesel engines,please refer to:Detroit Diesel Engine Repair