Home >> Chrysler >> 2003 >> Voyager Base, 2.4 B >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Tests W/Codes - 2.4L >> Diagnostic Tests >> DTC P0032: O2 Sensor 1/1 Heater Circuit High Or P0038: O2 Sensor 1/2 Heater Circuit High >> Possible Causes