Make: Detroit
Engine: DD15 GHG17 (2017 & Newer)
PID: N/A
SPN: 629
FMI: 12
Description: DDEC Data Xflash Write Error
Troubleshooting:
DESCRIPTION:
This code indicates a flash error.
MONITORED PARAMETER:
CPC data write error.
TYPICAL ENABLING CONDITIONS:
Always enabled
MONITOR SEQUENCE:
None
EXECUTION FREQUENCEY:
Always enabled
TYPCIAL DURATION:
Two seconds
DASH LAMPS:
CEL
ENGINE REACTION:
None
VERIFICATION:
Key on
POSSIBLE CAUSES:
1. Faulty Common Powertrain Controller (CPC).
2. CPC needs reprogramming.
Make: Detroit
Engine: DD15 GHG17 (2017 & Newer)
PID: N/A
SPN: 630
FMI: 2
Description: CPC Internal – EEPROM Checksum Error in Supplier Area
Troubleshooting:
POSSIBLE CAUSES:
1. Faulty CPC3.
2. CPC3 needs reprogramming.
Page
Make: Detroit
Engine: DD15 GHG17 (2017 & Newer)
PID: N/A
SPN: 630
FMI: 13
Description: SCR Number Out of Range
Troubleshooting:
DESCRIPTION:
Selective Catalytic Reduction number out of range.
MONITORED PARAMETER:
EPROM values
TYPICAL ENABLING CONDITIONS:
Always enabled
MONITOR SEQUENCE:
None
EXECUTION FREQUENCEY:
Always enabled
TYPCIAL DURATION:
Two seconds
DASH LAMPS:
CEL
ENGINE REACTION:
None
VERIFICATION:
Key on
NOTE: A fault may set during Common Powertrain Controller (CPC) module reprogramming. If
a fault occurs while programming, clear the code and release the vehicle.
POSSIBLE CAUSES:
1. Faulty Common Powertrain Controller (CPC) line.
2. CPC needs reprogramming.
Make: Detroit
Engine: DD15 GHG17 (2017 & Newer)
PID: N/A
SPN: 636
FMI: 1
Description: Crankshaft Position Sensor Signal Voltage Too Low
Troubleshooting:
DESCRIPTION:
Crankshaft Position (CKP) Sensor signal voltage too low.
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:
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 clamping sleeve.
3. Damaged flywheel position.
4. Faulty flywheel.
5. Faulty crankshaft thrust bearings.
6. Faulty MCM.