This is the “fine” description of the trouble code and for example, P0420 means there is an issue at Bank 1, while the code P0421 means the issue is at bank 2. While the engine codes are quite logical, it’s very difficult to remember all of these OBD codes. I’ve created a ...
Description of vehicle trouble code P0128 - Coolant Thermostat (Coolant Temperature Below Thermostat Regulating Temperature)
When an engine is running and the computer detects a problem in one of its sensor or output circuits, or even within itself, it will set a trouble code. In some systems, the trouble code number is retained in memory. In others, the trouble code is not stored but is regenerated when a...
This diagnostic trouble code (DTC) is a generic powertrain code, which means that it applies to OBD-II equipped vehicles (Nissan, Chevrolet, GMC, Mercedes, VW, Toyota, Mazda, BMW, Ford, Audi, Honda, etc.). Although generic, the specific repair steps may vary depending on make/model. The...
Essentially the same as P0136 and P0137 and P0131, a P0151 code refers to the first oxygen sensor on Bank 2 . P0151 means the O2 oxygen sensor's voltage remained low for longer than 2 minutes.This, is interpreted by the ECM as a low voltage condition and sets the MIL. Bank 2 ...