DDEC TROUBLESHOOTING
15.1 DESCRIPTION OF FLASH CODE 15
Flash Code 15 indicates that the Coolant Temperature Sensor (CTS), or Oil Temperature Sensor
(OTS), see Figure 15-1, input to the ECM has dropped below 5% (normally < 0.25 volts) of
the sensor supply voltage.
This diagnostic condition is typically:
Sensor signal is shorted to the sensor return circuit or to ground
All information subject to change without notice.
6SE497 9709 Copyright © 1997 DETROIT DIESEL CORPORATION
15-3
