Make: Detroit
Engine: DD15 GHG17 (2017 & Newer)
PID: N/A
SPN: 84
FMI: 7
Description: Vehicle Speed Signal Hall Effect VSS Wiring Mismatch, Rationality Fault
Troubleshooting:
DESCRIPTION:
Vehicle speed sensor rationality fault.
MONITORED PARAMETER:
Vehicle speed sensor.
TYPICAL ENABLING CONDITIONS:
Key ON and engine ON.
MONITOR SEQUENCE:
None
EXECUTION FREQUENCEY:
Continuous when enabling conditions met.
TYPCIAL DURATION:
Three seconds
DASH LAMPS:
1. MIL
2. CEL
ENGINE REACTION:
None
VERIFICATION:
RPM greater than 600.
POSSIBLE CAUSES:
CPC needs reprogramming.
Make: Detroit
Engine: DD15 GHG17 (2017 & Newer)
PID: N/A
SPN: 84
FMI: 11
Description: Vehicle Speed Above Programmable Threshold 2 While Driving
Troubleshooting:
NOTE: This is an information-only code that indicates the vehicle speed exceeded its
programmable limit while coasting. No action required.
Make: Detroit
Engine: DD15 GHG17 (2017 & Newer)
PID: N/A
SPN: 84
FMI: 13
Description: Vehicle Speed Over PTCAN SNA
Troubleshooting:
DESCRIPTION:
Vehicle speed over PTCAN SNA.
MONITORED PARAMETER:
Vehicle speed sensor.
TYPICAL ENABLING CONDITIONS:
Key ON and engine ON.
MONITOR SEQUENCE:
None
EXECUTION FREQUENCEY:
Continuous when enabling conditions met.
TYPCIAL DURATION:
Three seconds
DASH LAMPS:
1. MIL
2. CEL
ENGINE REACTION:
None
VERIFICATION:
RPM greater than 600.
POSSIBLE CAUSES:
1. Faulty Controller Area Network (CAN) line faults.
2. Common Powertrain Controller (CPC) needs reprogramming.
3. CPC needs proper configuration.
4. MCM needs reprogramming.
5. Faulty MCM.
Make: Detroit
Engine: DD15 GHG17 (2017 & Newer)
PID: N/A
SPN: 84
FMI: 14
Description: J1939 Wheel-based Vehicle Speed Signal from Source #3 is Missing
Troubleshooting:
DESCRIPTION:
Vehicle speed sensor signal missing.
MONITORED PARAMETER:
Vehicle speed sensor.
TYPICAL ENABLING CONDITIONS:
Key ON and engine ON.
MONITOR SEQUENCE:
None
EXECUTION FREQUENCEY:
Continuous when enabling conditions met.
TYPCIAL DURATION:
Three seconds
DASH LAMPS:
1. MIL
2. CEL
ENGINE REACTION:
None
VERIFICATION:
RPM greater than 600.
POSSIBLE CAUSES:
CPC needs reprogramming.