Make: Detroit
Engine: DD15 GHG17 (2017 & Newer)
PID: N/A
SPN: 84
FMI: 19
Description: Vehicle Speed Outside the Allowable Range
Troubleshooting:
DESCRIPTION:
This fault code sets when the vehicle speed sensor reads the maximum value 255kph (185
mph).
MONITORED PARAMETER:
Vehicle speed sensor.
TYPICAL ENABLING CONDITIONS:
Rpm greater than 1500, torque demand on.
MONITOR SEQUENCE:
None
EXECUTION FREQUENCEY:
Continuous when enabling conditions met.
TYPCIAL DURATION:
10 seconds
DASH LAMPS:
MIL
ENGINE REACTION:
None
VERIFICATION:
Rpm greater than 1500, torque demand on.
POSSIBLE CAUSES:
1. CPC needs reprogramming.
2. Faulty wiring.
3. Bent pins.
4. Spread pins.
5. Corroded pins.
Make: Detroit
Engine: DD15 GHG17 (2017 & Newer) CPC
PID: N/A
SPN: 84
FMI: 19
Description: J1939 Wheel-Based Vehicle Speed Signal from Source #1, #2, or #3 is Erratic
Troubleshooting:
DESCRIPTION:
J1939 Wheel-Based Vehicle Speed Signal from Source#1, #2, or #3 is erratic.
MONITORED PARAMETER:
Vehicle speed sensor (VSS).
TYPICAL ENABLING CONDITIONS:
Rpm greater than 1500, torque demand on.
MONITOR SEQUENCE:
None
EXECUTION FREQUENCEY:
Continuous when enabling conditions met.
TYPCIAL DURATION:
10 seconds
DASH LAMPS:
MIL
ENGINE REACTION:
None
VERIFICATION:
Rpm greater than 1500, torque demand on.
POSSIBLE CAUSES:
1. Faulty Controller Area Network (CAN) line.
2. Common Powertrain Controller (CPC) needs reprogramming.
Make: Detroit
Engine: DD15 GHG17 (2017 & Newer) CPC
PID: N/A
SPN: 84
FMI: 20
Description: Vehicle Speed Sensor Erratic
Troubleshooting:
DESCRIPTION:
Vehicle speed sensor erratic.
MONITORED PARAMETER:
Vehicle speed sensor (VSS).
TYPICAL ENABLING CONDITIONS:
Rpm greater than 1500, torque demand on.
MONITOR SEQUENCE:
None
EXECUTION FREQUENCEY:
Continuous when enabling conditions met.
TYPCIAL DURATION:
10 seconds
DASH LAMPS:
MIL
ENGINE REACTION:
None
VERIFICATION:
Rpm greater than 1500, torque demand on.
POSSIBLE CAUSES:
1. Common Powertrain Controller (CPC) needs reprogramming.
2. Bent pins.
3. Spread pins.
4. Corroded pins.
5. Faulty wiring.