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