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
All information subject to change without notice.
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