DDEC III/IV Single ECM Troubleshooting

Section 15.1 Description of Flash Code 15

Section 15.1
Description of Flash Code 15

Flash Code 15 indicates that the Coolant Temperature Sensor (CTS), or Oil Temperature Sensor (OTS), see Figure "Coolant Temperature Sensor (Oil Temperature Sensor similar)" , 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


DDEC III/IV Single ECM Troubleshooting Guide - 6SE497
Generated on 10-13-2008

Leave a Reply

Your email address will not be published. Required fields are marked *