P0152

Tests 1 - 4:

Tests 5 - 9:

Test 10:

SYMPTOM
P0152-2/1 O2 SENSOR SHORTED TO VOLTAGE

TEST NOTE
This symptom is diagnosed using the test P0132-1/1 O2 SENSOR SHORTED TO VOLTAGE.

WHEN MONITORED
With battery voltage greater than 10.4 volts, engine running for more than 4 minutes and coolant temperature above 180 °F.

SET CONDITION
The oxygen sensor voltage is above 1.5 volts.

POSSIBLE CAUSES
- O2 Sensor Signal Shorted To Voltage
- O2 Sensor Signal Circuit Shorted To ASD Relay Output (O2 Heater Supply Circuit)
- O2 Sensor Operation
- O2 Sensor Signal Open
- O2 Sensor Ground. Circuit Open
- O2S Heater Supply Circuit Open
- O2 Sensor Heater Ground Circuit Open
- Intermittent Condition
- PCM