Description of vehicle trouble code P0141 - Oxygen O2 Sensor Heater Circuit Malfunction (Bank1, Sensor2)

To repair a P0141 code, you may need to replace the faulty oxygen sensor, repair damaged wiring or connectors, replace the fuse if necessary, or address any issues with the engine control module.

Jan 7, 2023 · In this guide, we take a closer look at the causes, symptoms and meaning of the P0141 trouble code. With this information, you’ll be able to figure out the most appropriate fix to turn that …

Nov 15, 2024 · Here's what you need to do if your engine is showing error code P0141, which indicates that the heater circuit in the downstream oxygen sensor on Bank 1 is not functioning properly.

The most common solution for an error code P0141 is to replace your oxygen sensor on bank one. Whether there’s a short in the sensor or the sensor heater, any internal damage in your sensor …

Dec 30, 2024 · The symptoms of the P0141 code include an illuminated Check Engine Light, decreased fuel efficiency, rough idling, and engine performance issues. To repair, replace the faulty O2 sensor …

Sep 22, 2024 · DTC P0141 signals a problem with the oxygen sensor heating circuit (Bank 1, Sensor 2). The trouble is often due to a bad oxygen sensor, but a blown fuse, exhaust leak, or another problem …

This guide explains the P0141 code’s meaning, symptoms, causes, and step-by-step diagnostics to fix it like a pro—potentially saving you $400-$800 from overpriced sensor replacements.

What does a P0141 code indicate? It signals that the ECU has detected insufficient voltage or abnormal resistance in the heater circuit of the downstream O₂ sensor on bank 1, sensor 2.

P0141 is a diagnostic trouble code (DTC) for "O2 Sensor Heater Circuit Malfunction (Bank 1, Sensor 2)". This can happen for multiple reasons and a mechanic needs to diagnose the specific cause for this …