The P0147 is a generic OBD-II powertrain trouble code. Its official definition is “O2 Sensor Heater Circuit Malfunction (Bank 1, Sensor 3)”.
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The P0143 is a generic OBD-II powertrain trouble code. Its official definition is “O2 Sensor Circuit Low Voltage (Bank 2, Sensor 3)”. This diagnostic trouble code is stored by the vehicle’s Engine Control Module (ECM) when it detects that the signal voltage from a specific oxygen sensor is persistently and abnormally low, typically near 0 volts.
The P0142 is a generic OBD-II powertrain trouble code. Its official definition is “O2 Sensor Circuit Low Voltage (Bank 1, Sensor 3)”. This code is stored by the vehicle’s Engine Control Module (ECM) or Powertrain Control Module (PCM) when it detects that the signal voltage from a specific oxygen sensor is persistently and abnormally low.
The P0140 is a generic OBD-II powertrain trouble code. Its official definition is “O2 Sensor Circuit No Activity Detected (Bank 1, Sensor 2)”.
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The P0118 is a generic OBD-II (Onboard Diagnostics II) trouble code. Its official definition is “Engine Coolant Temperature Sensor Circuit High Input”.
The B0084 is a generic OBD-II (Onboard Diagnostics II) trouble code. Its official definition is “Front Passenger Side Restraints Sensor (Single or Dual Stage Inflatable Restraint) Fault”.