Make: Detroit
Engine: DD15 GHG17 (2017 & Newer)
PID: N/A
SPN: 51
FMI: 10
Description: Intake Throttle Position Abnormal Rate of Change
Troubleshooting:
NOTE: This code sets when the Intake Throttle Valve (ITV) position is not within 30% of the
commanded position during freezing conditions.
DESCRIPTION:
Intake throttle position abnormal rate of change.
MONITORED PARAMETER:
Intake throttle valve.
TYPICAL ENABLING CONDITIONS:
Engine rpm = idle or higher.
MONITOR SEQUENCE:
None
EXECUTION FREQUENCEY:
Continuous when enabling conditions met.
TYPCIAL DURATION:
Five seconds
DASH LAMPS:
None
ENGINE REACTION:
No derate.
VERIFICATION:
Engine rpm = idle or higher.
POSSIBLE CAUSES:
1. Faulty ITV motor.
2. Faulty ITV position.
3. Frozen (ice buildup) ITV butterfly.
4. Damaged pins.
5. Spread pins.
6. Missing retainer clip.
Make: Detroit
Engine: DD15 GHG17 (2017 & Newer)
PID: N/A
SPN: 51
FMI: 18
Description: Intake Throttle Position Rationality Error
Troubleshooting:
DESCRIPTION:
This fault sets when intake throttle position does not match requested range.
MONITORED PARAMETER:
Intake Throttle Valve (ITV).
TYPICAL ENABLING CONDITIONS:
Engine rpm = idle or higher.
MONITOR SEQUENCE:
None
EXECUTION FREQUENCEY:
Continuous when enabling conditions met.
TYPCIAL DURATION:
Five seconds
DASH LAMPS:
MIL
ENGINE REACTION:
No derate.
VERIFICATION:
Engine rpm = idle or higher.
POSSIBLE CAUSES:
1. Faulty ITV motor.
2. Faulty ITV position.
3. Frozen (ice buildup) ITV butterfly.
4. Damaged pins.
5. Spread pins.
6. Missing retainer clip.
Make: Detroit
Engine: DD15 GHG17 (2017 & Newer)
PID: N/A
SPN: 70
FMI: 2
Description: J1939 Park Brake Switch Signal from Source #1, #2, or #3 Data Erratic,
Intermittent or Incorrect
Troubleshooting:
DESCRIPTION:
Park brake switch signal data incorrect.
MONITORED PARAMETER:
Park brake switch.
TYPICAL ENABLING CONDITIONS:
Always on
MONITOR SEQUENCE:
Key ON
EXECUTION FREQUENCEY:
Continuous when enabling conditions met.
TYPCIAL DURATION:
Two seconds
DASH LAMPS:
MIL
ENGINE REACTION:
None
VERIFICATION:
Key ON, engine OFF
POSSIBLE CAUSES:
CPC needs updating.