Make: Detroit
Engine: DD15 GHG17 (2017 & Newer)
PID: N/A
SPN: 636
FMI: 2

Description: No Match of Camshaft and Crankshaft Signals
Troubleshooting:
DESCRIPTION:
This code will set when there is a Camshaft and a Crankshaft mismatch signal.
MONITORED PARAMETER:
Camshaft/Crankshaft sensors.
TYPICAL ENABLING CONDITIONS:
Engine idle
MONITOR SEQUENCE:
None
EXECUTION FREQUENCEY:
Continuous when enabling conditions met.
TYPCIAL DURATION:
10 seconds
DASH LAMPS:
1. MIL
2. CEL
ENGINE REACTION:
None
VERIFICATION:
Engine Idle (1 minute).
POSSIBLE CAUSES:
1. Faulty wiring.
2. Faulty camshaft position sensor.
3. Damaged tone wheel on the intake camshaft.
4. Damaged gear train.
5. Faulty camshaft.

Make: Detroit
Engine: DD15 GHG17 (2017 & Newer)
PID: N/A
SPN: 636
FMI: 3

Description: Crankshaft Position Sensor Has an Open Circuit
Troubleshooting:
DESCRIPTION:
Crankshaft Position Sensor open circuit.
MONITORED PARAMETER:
Crankshaft position sensor.
TYPICAL ENABLING CONDITIONS:
Engine idle
MONITOR SEQUENCE:
None
EXECUTION FREQUENCEY:
Continuous when enabling conditions met.
TYPCIAL DURATION:
10 seconds
DASH LAMPS:
1. MIL
2. CEL
ENGINE REACTION:
None
VERIFICATION:
Engine idle (1 minute).
NOTE: If the sensor is removed, be sure to check the sensor tip for metal debris and clutch
material and clean it if necessary.
POSSIBLE CAUSES:
1. Faulty wiring.
2. Faulty CKP sensor.

Make: Detroit
Engine: DD15 GHG17 (2017 & Newer)
PID: N/A
SPN: 636
FMI: 8

Description: Crankshaft Position Sensor Time Out
Troubleshooting:
DESCRIPTION:
Crankshaft Position Sensor time out.
MONITORED PARAMETER:
Crankshaft position sensor.
TYPICAL ENABLING CONDITIONS:
Engine idle
MONITOR SEQUENCE:
None
EXECUTION FREQUENCEY:
Continuous when enabling conditions met.
TYPCIAL DURATION:
10 seconds
DASH LAMPS:
1. MIL
2. CEL
ENGINE REACTION:
None
VERIFICATION:
Engine idle (1 minute).
NOTE: If the sensor is removed, be sure to check the sensor tip for metal debris and clutch
material and clean it if necessary.
POSSIBLE CAUSES:
1. Faulty wiring.
2. Faulty CKP sensor.

Make: Detroit
Engine: DD15 GHG17 (2017 & Newer)
PID: N/A
SPN: 636
FMI: 10

Description: Crankshaft Position Sensor Signal Erratic
Troubleshooting:
DESCRIPTION:
Crankshaft Position (CKP) sensor signal erratic.
MONITORED PARAMETER:
Crankshaft position sensor signal.
TYPICAL ENABLING CONDITIONS:
Engine idle
MONITOR SEQUENCE:
None
EXECUTION FREQUENCEY:
Continuous when enabling conditions met.
TYPCIAL DURATION:
10 seconds
DASH LAMPS:
MIL
ENGINE REACTION:
None
VERIFICATION:
Engine idle
POSSIBLE CAUSES:
1. Faulty CKP sensor.
2. Faulty wiring.