P0135

The P0135 code indicates a malfunction in the oxygen sensor circuit for Bank 1 Sensor 1 in your 2020 Toyota Highlander XU70. This sensor is crucial for monitoring the air-fuel mixture and adjusting emissions.

The P0135 code indicates a malfunction with the oxygen sensor heater circuit in a 2020-present Toyota Highlander XU70. This code typically arises when the engine control module (ECM) detects insufficient heating of the upstream oxygen sensor.

The vehicle is displaying the P0135 O2 sensor code, indicating a malfunction in the oxygen sensor circuit for Bank 1 Sensor 1 in a 2020-present Toyota Highlander (XU70).

The vehicle is experiencing a P0135 error code, indicating a malfunction in the oxygen sensor heater circuit for the upstream oxygen sensor in a 2020-Present Toyota Highlander (XU70).

The P0135 code indicates a malfunction in the oxygen sensor heater circuit for Bank 1 Sensor 1 in a 2020-present Toyota Highlander. This typically suggests that the heater element in the oxygen sensor is not functioning properly, potentially leading to poor fuel economy and increased emissions.

The P0135 code indicates a malfunction of the oxygen sensor heater circuit in the upstream oxygen sensor (Bank 1) of a 2014-2019 Toyota Highlander. This issue may lead to poor engine performance and increased emissions.

The OBD-II code P0135 indicates a malfunction in the oxygen sensor circuit for the upstream (pre-catalytic converter) oxygen sensor on a 2014-2019 Toyota Highlander. This issue can lead to poor fuel economy and increased emissions.