DTC P2239 Lexus
Oxygen (A F) Sensor Pumping Current Circuit High (Bank 1 Sensor 1)
Oxygen (A F) Sensor Pumping Current Circuit High (Bank 1 Sensor 1)
Description
Monitor runs whenever following DTCs are not present: P0016, P0018 (VVT system bank 1, 2 - misalignment) P0017, P0019 (Exhaust VVT system bank 1, 2 - misalignment) P0031, P0032, P0051, P0052 (A F sensor heater) P0102, P0103 (MAF meter) P0110, P0112, P0113 (IAT sensor) P0115, P0117, P0118 (ECT sensor) P0120, P0121, P0122, P0123, P0220, P0222, P0223, P2135 (TP sensor) P0125 (Insufficient ECT for closed loop) P0128 (Thermostat) P0171, P0172, P0174, P0175 (Fuel system) P0301, P0302, P0303, P0304, P0305, P0306 (Misfire) P0335 (CKP sensor) P0340 (CMP sensor) P0451, P0452, P0452 (EVAP system) P0500 (Vehicle speed sensor) P0505 (Idle speed control) Battery voltage: 11 V or more Engine switch: ON Time after engine switch OFF to ON: 5 seconds or more
Cause and Solution
Open or short in A F sensor (bank 1 sensor 1) circuit A F sensor (bank 1 sensor 1) A F sensor heater A F sensor heater relay A F sensor heater and relay circuits ECM
Video Guide
Diagnostic Info
- DTC Code: P2239
- Brand: Lexus