DDEC TROUBLESHOOTING
13.1 DESCRIPTION OF FLASH CODE 13
Flash Code 13 indicates that the Coolant Level Sensor (CLS) input to the ECM has dropped
below 5% (normally < 0.25 volts) of the sensor supply voltage. See Figure 13-1. This diagnostic
condition is typically:
Sensor signal is shorted to the sensor return circuit or to ground
Deteriorated coolant
All information subject to change without notice.
6SE497 9709 Copyright © 1997 DETROIT DIESEL CORPORATION
13-3
