What does Bank 1 fuel trim malfunction mean?
What does Bank 1 fuel trim malfunction mean? Error Code P0170: Fuel Trim Malfunction (Bank 1) Error Code P0170 is described as Fuel Trim Malfunction Bank 1. This means the PCM (powertrain control module, also known as ECM or engine control module) has detected a fuel trim outside the specified range set by the vehicle’s manufacturer. What does the p0170 code on a fuel trim mean? What the P0170 code means. The P0170 code means that the powertrain control module is detecting a fuel trim that is outside the range of specification set by the vehicle’s manufacturer. What does the...