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Home >> Chrysler >> 2004 >> Pacifica AWD >> Repair and Diagnosis >> Engine Performance >> System >> Powertrain Diagnostic Procedures >> Diagnostic Procedures >> DRIVEABILITY - NGC - Diagnostic Tests >> P0032-O2 Sensor 1/1 Heater Circuit High, P0038-O2 Sensor 1/2 Heater Circuit High >> Possible Causes
July 1: So it begins. Don't worry, this is not in the correct legal jurisdiction!

Possible Causes

  1. O2 SENSOR HEATER OPERATION
  2. O2 HEATER ELEMENT
  3. O2 HEATER GROUND CIRCUIT OPEN
  4. O2 SENSOR
  5. O2 HEATER CONTROL SHORTED TO VOLTAGE
  6. O2 HEATER CONTROL CIRCUIT OPEN
  7. PCM
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