DDEC III/IV Single ECM Troubleshooting

Section 14.1 Description of Flash Code 14

Section 14.1
Description of Flash Code 14

Flash Code 14 indicates that the engine Coolant Temperature Sensor (CTS) or Oil Temperature Sensor (OTS), See Figure "Coolant Temperature Sensor (Oil Temperature Sensor similar)" , input to the ECM has exceeded 95% (normally >4.75 volts) of the sensor supply voltage. ‪

Note: This code will only be logged during warm engine operation.

This diagnostic condition is typically:‪

  • Open sensor signal circuit
  • Open sensor return circuit


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

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