The P014D is a generic OBD-II powertrain trouble code. Its official definition is “O2 Sensor Slow Response – Lean to Rich (Bank 1, Sensor 1)”.
The P014C is a generic OBD-II powertrain trouble code. Its official SAE definition is “O2 Sensor Slow Response – Rich to Lean (Bank 1, Sensor 1)”.
The P014B is a generic OBD-II powertrain trouble code. Its official definition is “O2 Sensor Slow Response – Lean to Rich (Bank 1, Sensor 2)“.
The P014A is a generic OBD-II powertrain trouble code. Its official definition is “O2 Sensor Slow Response – Rich to Lean (Bank 1, Sensor 2)”.
The P0149 is a generic OBD-II powertrain trouble code. Its official definition is “Fuel Timing Error”.
The P0148 is a generic OBD-II powertrain trouble code. Its official definition is “Fuel Delivery Error”.
The P0147 is a generic OBD-II powertrain trouble code. Its official definition is “O2 Sensor Heater Circuit Malfunction (Bank 1, Sensor 3)”.
The P0146 is a generic OBD-II powertrain trouble code. Its official definition is “O2 Sensor Circuit No Activity Detected (Bank 2, Sensor 3)”.