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|