DDEC TROUBLESHOOTING
44.1 DESCRIPTION OF FLASH CODE 44
Flash Code 44 indicates that the ECM has detected that the engine coolant temperature has
exceeded the recommended safe operating range. See Figure 44-1, for the sensor.
It also indicates that the ECM has detected that the engine oil temperature has exceeded the
recommended safe operating range. This normally occurs due to a mechanical fault.
All information subject to change without notice.
6SE497 9709 Copyright © 1997 DETROIT DIESEL CORPORATION
44-3
