Detailed information on troubleshooting and repairing a P0158 DTC code which refers to a high voltage in the number 2 O2 sensor circuit on bank 2. Also includes links to relevant forum …

Code P0158 Description The O2 sensor, or oxygen sensor, is a crucial component of a vehicle's emissions system that monitors the oxygen levels in the exhaust gases.

Mar 29, 2022 · Check engine light code P0158 means O2 Sensor Circuit High Voltage (Bank 2, Sensor 2). Find out how to fix it in this article!

The P0158 code stands for “O2 Sensor Circuit High Voltage (Bank 2, Sensor 2).” It shows that the powertrain control module (PCM) detects a high voltage signal from the oxygen sensor located …

Jun 5, 2024 · Find out everything you need to know about the meaning, causes, and symptoms of the OBD-II code P0158 with this short but informative guide.

Jun 23, 2025 · Learn what causes the P0158 O2 sensor code, how to diagnose it, and why ignoring it could damage your catalytic converter. Fix it before it costs more.

Jan 26, 2025 · P0158 code indicates high voltage levels detected in Bank 2, Sensor 2. In simpler terms, this means that the ECM is receiving a signal from the sensor that exceeds normal …

Oct 25, 2023 · If your car's ECM throws a P0158 trouble code, it's a good idea to resolve it quickly. Here's what causes code P0158 and how to fix it...

A P0158 code is not typically serious. It simply means that there is a problem in the bank 2, sensor 2 circuit and the power control module (PCM) has stored a code for future reference.

Nov 2, 2023 · I looked into P0158 service cases at iatn.com website where in the private forums the mechanics seek advice from other mechanics. I looked up a bunch of cases to help you …