DTC P0132 & DTC P0138: Notes

Code Definition

DTC P0132: Front Heated Oxygen Sensor Circuit High Voltage
DTC P0138: Rear Heated Oxygen Sensor Circuit High Voltage

NOTE: Before performing any diagnostic test, refer to WARNINGS, CAUTIONS and NOTES in DIAGNOSTIC TESTS .

NOTE: Testing individual components does not isolate shorts or opens. Perform all voltage tests using a Digital Volt-Ohm Meter (DVOM) with a minimum 10-megohm input impedance, unless stated otherwise in test procedure. Use ohmmeter to isolate wiring harness shorts or opens.