Description of Flash Code 33
Flash Code 33 indicates that the engine Turbo Boost Sensor (TBS), see Figure "Turbo Boost Sensor" and see Figure "Turbo Boost Sensor – 2003 Engines" , input to the ECM has exceeded 95% (normally > 4.75 volts) of the sensor supply voltage.
This diagnostic condition is typically:
- Open sensor return circuit
- Sensor signal circuit is shorted to the sensor +5 volt supply
|DDEC III/IV Single ECM Troubleshooting Guide - 6SE497|
|Generated on 10-13-2008|