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TM9-2320-360-20-3
Section 4
TROUBLESHOOTING CHARTS
FLASH CODE:
DDR DISPLAY
SAE J1587 CODE:
43
COOLANT LEVEL LOW
PID: 111 FMI: 1
Indicates that the Coolant Level Sensor (CLS) has detected that the engine coolant level has dropped below the
recommended safe operating range.
FLASH CODE:
44
DDR DISPLAY
COOLANT TEMPERATURE HIGH
SAE J1587 CODE:
PID: 110 FMI: 0
Indicates that the Coolant Temperature Sensor (CTS) has detected that the engine coolant temperature has ex-
ceeded the recommended safe operating range.
FLASH CODE:
44
DDR DISPLAY
OIL TEMPERATURE HIGH
SAE J1587 CODE:
PID: 175 FMI: 0
Indicates that the Oil Temperature Sensor (OTS) has detected that the engine oil temperature has exceeded the
recommended safe operating range.
FLASH CODE:
45
DDR DISPLAY
OIL PRESSURE LOW
SAE J1587 CODE:
PID: 100 FMI: 1
Indicates that the Oil Pressure Sensor (OPS) has detected that the engine oil pressure has dropped below the
recommended safe operating range.
FLASH CODE:
DDR DISPLAY
SAE J1587 CODE:
46
ECM BATTERY VOLTAGE LOW
PID: 168 FMI: 1
Indicates that the DDEC III ECM has detected that the main battery supply voltage to the ECM has dropped be-
low the recommended operating range.
FLASH CODE:
52
DDR DISPLAY
ECM A/D CONVERSION FAILURE
SAE J1587 CODE:
SID: 254 FMI: 12
Indicates that the DDEC III ECMs internal Analog to Digital (A/D) Convertor device has malfunctioned.
Intermit-
tent diagnostic conditions of this type can be caused by faulty external electrical system.
FLASH CODE:
DDR DISPLAY
SAE J1587 CODE:
53
NONVOLATILE MEMORY DATA INCORRECT
SID: 253 FMI: 2
Indicates that the ECM upon startup has been unable to read a valid copy of a engine data record (calibration,
faults, or accumulators) stored in nonvolatile memory.
FLASH CODE:
DDR DISPLAY
SAE J1587 CODE:
53
NONVOLATILE MEMORY FAILURE
SID: 253 FMI: 12
Indicates that the ECM was unable to update an engine data record (calibration, faults, or accumulators) stored in
nonvolatile memory.
H-20
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