Category: OBDii Powertrain Codes

P2182 Engine Coolant Temperature (ECT) (Sensor 2) Circuit

P2182 Engine Coolant Temperature (ECT) (Sensor 2) Circuit OBD Code: System: Subsystem:  P2182 – (ASE)  Powertrain  Fuel and Air Metering Trouble Code Description: Engine Coolant Temperature (ECT) (Sensor 2) Circuit Location: Analysis: Possible Causes:  Sensor 2  Circuit Issue   Tech description:

P2183 Engine Coolant Temperature Sensor 2 Circuit Performance

P2183 Engine Coolant Temperature Sensor 2 Circuit Performance Possible causes – Low coolant level– Faulty Engine Coolant Temperature Sensor– Stuck or leaking thermostat– Engine Coolant Temperature Sensor harness is open or shorted– Engine Coolant Temperature Sensor circuit poor electrical connection– Faulty Powertrain Control Module (PCM) Symptoms – Engine Light ON (or Service Engine Soon Warning…

P2184 Engine Coolant Temperature (ECT) (Sensor 2) Circuit Low

P2184 Engine Coolant Temperature (ECT) (Sensor 2) Circuit Low OBD Code: System: Subsystem:  P2184 – (ASE)  Powertrain  Fuel and Air Metering Trouble Code Description: Engine Coolant Temperature (ECT) (Sensor 2) Circuit Low Location: Analysis: Possible Causes:  Sensor 2  End of Range – Circuit Lower Than Expected   Tech description:

P2181 Cooling System Performance

P2181 Cooling System Performance Possible causes – Low coolant level– Faulty Engine Coolant Temperature Sensor– Stuck or leaking thermostat– Engine Coolant Temperature Sensor harness is open or shorted– Engine Coolant Temperature Sensor circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light)

P2180 System Too Rich Off Idle (Bank 2)

P2180 System Too Rich Off Idle (Bank 2) OBD Code: System: Subsystem:  P2180 – (ASE)  Powertrain  Fuel and Air Metering Trouble Code Description: System Too Rich Off Idle (Bank 2) Location: Analysis: Possible Causes:  Bank 2  Out of Expected Range – Too Rich   Tech description:

P2176 Minimum Throttle Position Not Learned

P2176 Minimum Throttle Position Not Learned Possible causes – Faulty Throttle Actuator Control (TAC) module– Throttle Actuator Control (TAC) module harness is open or shorted– Throttle Actuator Control (TAC) module circuit poor electrical connection– Throttle plate sticking due to carbon build-up– Engine Control Module What about the obd code? The P2176 code is set whe…

P2177 System Too Lean Off Idle (Bank 1)

P2177 System Too Lean Off Idle (Bank 1) OBD Code: System: Subsystem:  P2177 – (ASE)  Powertrain  Fuel and Air Metering Trouble Code Description: System Too Lean Off Idle (Bank 1) Location: Analysis: Possible Causes:  Bank 1  Out of Expected Range – Too Lean   Tech description:

P2178 Fuel Trim System Rich at Cruise or Accel

P2178 Fuel Trim System Rich at Cruise or Accel Possible causes – High fuel pressure– Leaking fuel injector or pressure regulator– Failed Mass Air Flow (MAF) sensor What about the obd code? The Engine Control Module (ECM) has detected a rich air/fuel ratio Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P2178…

P2179 System Too Lean Off Idle (Bank 2)

P2179 System Too Lean Off Idle (Bank 2) OBD Code: System: Subsystem:  P2179 – (ASE)  Powertrain  Fuel and Air Metering Trouble Code Description: System Too Lean Off Idle (Bank 2) Location: Analysis: Possible Causes:  Bank 2  Out of Expected Range – Too Lean   Tech description:

P2174 Low Airflow/Restriction Detected Instantaneous Accumulation

P2174 Low Airflow/Restriction Detected Instantaneous Accumulation Possible causes – Restricted air inlet– Open or short circuit condition– Failed Manifold Absolute Pressure (MAP) sensor– Failed Throttle Position (TP) sensor Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P2174 Description The calculated Manifold Absolute Pressure (MAP) value is greater than the expected MAP value