Make: Detroit
Engine: DD15 GHG17 (2017 & Newer)
PID: N/A
SPN: 3844
FMI: 3

Description: Digital Input 1 02 Circuit Failed High
Troubleshooting:
DESCRIPTION:
CPC input 1 02 short to voltage.
MONITORED PARAMETER:
CPC Output 1/02.
TYPICAL ENABLING CONDITIONS:
Always enabled
MONITOR SEQUENCE:
None
EXECUTION FREQUENCEY:
Always enabled
TYPCIAL DURATION:
Two seconds
DASH LAMPS:
CEL
ENGINE REACTION:
None
VERIFICATION:
Engine on with output activation.
POSSIBLE CAUSES:
1. Common Powertrain Controller (CPC) needs reprogramming.
2. Correct CPC parameter list needs to be installed.
3. Faulty wiring.
4. Parameters need configuring.

Make: Detroit
Engine: DD15 GHG17 (2017 & Newer)
PID: N/A
SPN: 3844
FMI: 4

Description: Digital Input 1 02 Circuit Failed Low
Troubleshooting:
DESCRIPTION:
CPC input 1 02 short to ground.
MONITORED PARAMETER:
CPC Output 1/02.
TYPICAL ENABLING CONDITIONS:
Always enabled
MONITOR SEQUENCE:
None
EXECUTION FREQUENCEY:
Always enabled
TYPCIAL DURATION:
Two seconds
DASH LAMPS:
CEL
ENGINE REACTION:
None
VERIFICATION:
Engine on with output activation.
POSSIBLE CAUSES:
1. Common Powertrain Controller (CPC) needs reprogramming.
2. Correct CPC parameter list needs to be installed.
3. Faulty wiring.
4. Parameters need configuring.

Make: Detroit
Engine: DD15 GHG17 (2017 & Newer)
PID: N/A
SPN: 3845
FMI: 3

Description: Digital Input 1 12 Circuit Failed High
Troubleshooting:
DESCRIPTION:
CPC input 1 12 short to voltage.
MONITORED PARAMETER:
CPC Output 1/12.
TYPICAL ENABLING CONDITIONS:
Always enabled
MONITOR SEQUENCE:
None
EXECUTION FREQUENCEY:
Always enabled
TYPCIAL DURATION:
Two seconds
DASH LAMPS:
CEL
ENGINE REACTION:
None
VERIFICATION:
Engine on with output activation.
POSSIBLE CAUSES:
1. Common Powertrain Controller (CPC) needs reprogramming.
2. Correct CPC parameter list needs to be installed.
3. Faulty wiring.
4. Parameters need configuring.

Make: Detroit
Engine: DD15 GHG17 (2017 & Newer)
PID: N/A
SPN: 3845
FMI: 4

Description: Digital Input 1 12 Circuit Failed Low
Troubleshooting:
DESCRIPTION:
CPC input 1 12 short to ground.
MONITORED PARAMETER:
CPC Output 1/12.
TYPICAL ENABLING CONDITIONS:
Always enabled
MONITOR SEQUENCE:
None
EXECUTION FREQUENCEY:
Always enabled
TYPCIAL DURATION:
Two seconds
DASH LAMPS:
CEL
ENGINE REACTION:
None
VERIFICATION:
Engine on with output activation.
POSSIBLE CAUSES:
1. Common Powertrain Controller (CPC) needs reprogramming.
2. Correct CPC parameter list needs to be installed.
3. Faulty wiring.
4. Parameters need configuring.