DDEC III/IV Single ECM Troubleshooting

Section 22.1 Description of Flash Code 22

Section 22.1
Description of Flash Code 22

Flash Code 22 indicates that the Throttle Position Sensor (TPS), see Figure "Throttle Position Sensor" , input to the ECM has dropped below 5% (normally < 0.25 volts) of the sensor supply voltage. ‪

This diagnostic condition is typically:‪

  • Open sensor signal circuit
  • Open sensor +5 volt supply circuit
  • Sensor signal is shorted to sensor return circuit or to ground


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

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