Jun 9, 2025 · What is a P0037 code and how do you fix it? We’ll break it all down for you, but in most cases, it's less serious than other trouble codes...

Mar 29, 2022 · Check engine light code P0037 means H02S2 Heater Control Circuit Low (Bank 1, Sensor 2). Find out how to fix it in this article!

Apr 28, 2025 · In this guide, we’ll walk you through everything you need to know about the P0037 Trouble Code — including symptoms, diagnosis steps, DIY fixes, costs, and expert tips.

Sep 7, 2024 · The P0037 diagnostic trouble code (DTC) refers to the HO2S (Heated Oxygen Sensor) Heater Control Circuit Low on Bank 1 Sensor 2. This code indicates that there is a …

Detailed information on troubleshooting and repairing a P0037 DTC code which refers to a problem in the HO2S heater control circuit. Also includes links to relevant forum topics on the …

Jun 5, 2024 · Diagnostic Trouble Code (DTC) P0037 stands for “Heated Oxygen Sensor (HO2S) Heater Control Circuit Low (Bank 1, Sensor 2).” It refers to a malfunction in the heating …

Jan 3, 2026 · Accurately diagnose the P0037 code. Detailed guide on electrical testing, sensor resistance checks, and step-by-step repair for O2 heater circuit failures.

Sep 13, 2025 · Learn all about the P0037 code, what causes HO2S heater control circuit low, and how to diagnose and fix common issues to maintain optimal engine performance.

Learn about P0037 symptoms, causes, and potential solutions from the diagnostic experts at RepairPal.

Aug 13, 2024 · What is the P0037 Code? The P0037 code is an OBD-II trouble code that stands for “HO2S Heater Control Circuit Low (Bank 1, Sensor 2).” This code is triggered when the …