P0140 Citroen HO2S12 Sensor Circuit No Activity Detected Possible causes – Faulty Rear Heated Oxygen Sensor Bank 1– Rear Heated Oxygen Sensor Bank 1 harness is open or shorted– Rear Heated Oxygen Sensor Bank 1 circuit poor electrical connection– Inappropriate fuel pressure– Faulty fuel injectors– Intake air leaks may be faulty– Exhaust gas leaks Tech…
Category: Citroen
P0141 Citroen O2 Sensor 1/2 Heater Performance
P0141 Citroen O2 Sensor 1/2 Heater Performance Possible causes – Faulty Heated Oxygen Sensor (H2OS) Bank 1 Sensor 2– Heated Oxygen Sensor (H2OS) Bank 1 Sensor 2 circuit fuse– Heated Oxygen Sensor (H2OS) Bank 1 Sensor 2 circuit open shorted to ground– Heated Oxygen Sensor (H2OS) Bank 1 Sensor 2 circuit poor electrical connection– Faulty…
P0134 Citroen O2 Sensor Circuit No Activity Detected Bank 1 Sensor 1
P0134 Citroen O2 Sensor Circuit No Activity Detected Bank 1 Sensor 1 Possible causes – Faulty Front Heated Oxygen Sensor Bank 1– Front Heated Oxygen Sensor Bank 1 harness is open or shorted– Front Heated Oxygen Sensor Bank 1 circuit poor electrical connection– Inappropriate fuel pressure– Faulty fuel injectors– Intake air leaks may be faulty–…
P0135 Citroen O2 Sensor Heater Circuit Malfunction Bank 1 Sensor 1
P0135 Citroen O2 Sensor Heater Circuit Malfunction Bank 1 Sensor 1 Possible causes – Faulty Heated Oxygen Sensor (H2OS) Bank 1 Sensor 1– Heated Oxygen Sensor (H2OS) Bank 1 Sensor 1 circuit fuse– Heated Oxygen Sensor (H2OS) Bank 1 Sensor 1 circuit open shorted to ground– Heated Oxygen Sensor (H2OS) Bank 1 Sensor 1 circuit…
P0136 Citroen HO2S12 Sensor Range/Performance Condition
P0136 Citroen HO2S12 Sensor Range/Performance Condition Possible causes – Faulty Rear Heated Oxygen Sensor Bank 1– Rear Heated Oxygen Sensor Bank 1 harness is open or shorted– Rear Heated Oxygen Sensor Bank 1 circuit poor electrical connection– Inappropriate fuel pressure– Faulty fuel injectors– Intake air leaks may be faulty– Exhaust gas leaks Tech description Replacing…
P0137 Citroen HO2S Circuit Low Voltage Bank 1 Sensor 2
P0137 Citroen HO2S Circuit Low Voltage Bank 1 Sensor 2 Possible causes – Faulty Rear Heated Oxygen Sensor Bank 1– Rear Heated Oxygen Sensor Bank 1 harness is open or shorted– Rear Heated Oxygen Sensor Bank 1 circuit poor electrical connection– Inappropriate fuel pressure– Faulty fuel injectors– Intake air leaks may be faulty– Exhaust gas…
P0138 Citroen HO2S12 Circuit High Voltage
P0138 Citroen HO2S12 Circuit High Voltage Possible causes – Faulty Rear Heated Oxygen Sensor Bank 1– Rear Heated Oxygen Sensor Bank 1 harness is open or shorted– Rear Heated Oxygen Sensor Bank 1 circuit poor electrical connection– Intake air leaks– Exhaust gas leaks– Inappropriate fuel pressure– Faulty fuel injectors Tech description Replacing the Rear Heated…
P012E Citroen Turbocharger / Supercharger Inlet Pressure Sensor Circuit Intermittent / Erratic
P012E Citroen Turbocharger / Supercharger Inlet Pressure Sensor Circuit Intermittent / Erratic OBD Code: System: Subsystem: P012E Citroen – (ASE) Powertrain Fuel and Air Metering Trouble Code Description: Turbocharger / Supercharger Inlet Pressure Sensor Circuit Intermittent / Erratic Location: Analysis: Possible Causes: Periodically Unstable Circuit Tech description: Citroen Vehicle:2013 Citroen,2012 Citroen,2011 Citroen,2010 Citroen,2009 Citroen,2008…
P0130 Citroen HO2S11 Sensor Range/Performance Condition
P0130 Citroen HO2S11 Sensor Range/Performance Condition Possible causes – Faulty Front Heated Oxygen Sensor Bank 1– Front Heated Oxygen Sensor Bank 1 harness is open or shorted– Front Heated Oxygen Sensor Bank 1 circuit poor electrical connection– Inappropriate fuel pressure– Faulty fuel injectors– Intake air leaks may be faulty– Exhaust gas leaks Tech description Replacing…
P0131 Citroen HO2S11 Sensor Circuit Low Voltage
P0131 Citroen HO2S11 Sensor Circuit Low Voltage Possible causes – Faulty Front Heated Oxygen Sensor Bank 1– Front Heated Oxygen Sensor Bank 1 harness is open or shorted– Front Heated Oxygen Sensor Bank 1 circuit poor electrical connection– Inappropriate fuel pressure– Faulty fuel injectors– Intake air leaks may be faulty– Exhaust gas leaks Tech description…
P0132 Citroen HO2S11 Sensor Circuit High Voltage
P0132 Citroen HO2S11 Sensor Circuit High Voltage Possible causes – Faulty Front Heated Oxygen Sensor Bank 1– Front Heated Oxygen Sensor Bank 1 harness is open or shorted– Front Heated Oxygen Sensor Bank 1 circuit poor electrical connection– Inappropriate fuel pressure– Faulty fuel injectors– Intake air leaks may be faulty– Exhaust gas leaks Tech description…
P0133 Citroen HO2S11 Sensor Circuit Slow Response
P0133 Citroen HO2S11 Sensor Circuit Slow Response Possible causes – Faulty Front Heated Oxygen Sensor Bank 1– Front Heated Oxygen Sensor Bank 1 harness is open or shorted– Front Heated Oxygen Sensor Bank 1 circuit poor electrical connection– Inappropriate fuel pressure– Faulty fuel injectors– Intake air leaks may be faulty– Exhaust gas leaks Tech description…
P012B Citroen Turbocharger / Supercharger Inlet Pressure Sensor Circuit Range / Performance
P012B Citroen Turbocharger / Supercharger Inlet Pressure Sensor Circuit Range / Performance OBD Code: System: Subsystem: P012B Citroen – (ASE) Powertrain Fuel and Air Metering Trouble Code Description: Turbocharger / Supercharger Inlet Pressure Sensor Circuit Range / Performance Location: Analysis: Possible Causes: Out of Expected Range Tech description: Citroen Vehicle:2013 Citroen,2012 Citroen,2011 Citroen,2010 Citroen,2009…
P012C Citroen Turbocharger / Supercharger Inlet Pressure Sensor Circuit Low
P012C Citroen Turbocharger / Supercharger Inlet Pressure Sensor Circuit Low OBD Code: System: Subsystem: P012C Citroen – (ASE) Powertrain Fuel and Air Metering Trouble Code Description: Turbocharger / Supercharger Inlet Pressure Sensor Circuit Low Location: Analysis: Possible Causes: End of Range – Circuit Lower Than Expected Tech description: Citroen Vehicle:2013 Citroen,2012 Citroen,2011 Citroen,2010 Citroen,2009…
P012D Citroen Turbocharger / Supercharger Inlet Pressure Sensor Circuit High
P012D Citroen Turbocharger / Supercharger Inlet Pressure Sensor Circuit High OBD Code: System: Subsystem: P012D Citroen – (ASE) Powertrain Fuel and Air Metering Trouble Code Description: Turbocharger / Supercharger Inlet Pressure Sensor Circuit High Location: Analysis: Possible Causes: End of Range – Circuit Higher Than Expected Tech description: Citroen Vehicle:2013 Citroen,2012 Citroen,2011 Citroen,2010 Citroen,2009…
P0129 Citroen Barometric Pressure Out Of Range Low
P0129 Citroen Barometric Pressure Out Of Range Low Possible causes – Faulty Manifold Absolute Pressure (MAP) sensor– Manifold Absolute Pressure (MAP) sensor harness open or shorted– Manifold Absolute Pressure (MAP) sensor circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P0129 Citroen Description The Engine Control Module (ECM) has…
P012A Citroen Turbocharger / Supercharger Inlet Pressure Sensor Circuit
P012A Citroen Turbocharger / Supercharger Inlet Pressure Sensor Circuit OBD Code: System: Subsystem: P012A Citroen – (ASE) Powertrain Fuel and Air Metering Trouble Code Description: Turbocharger / Supercharger Inlet Pressure Sensor Circuit Location: Analysis: Possible Causes: Circuit Issue Tech description: Citroen Vehicle:2013 Citroen,2012 Citroen,2011 Citroen,2010 Citroen,2009 Citroen,2008 Citroen,2007 Citroen,2006 Citroen,2005 Citroen,2004 Citroen,2003 Citroen,2002 Citroen,2001…
P0124 Citroen Throttle Position Sensor/Accelerator Position Pedal Circuit Intermittent
P0124 Citroen Throttle Position Sensor/Accelerator Position Pedal Circuit Intermittent Possible causes – Faulty throttle position sensor.– Throttle position sensor harness is open or shorted– Throttle position sensor circuit poor electrical connection What about the obd code? The P0124 Citroen code will set if the monitored TPS has an open or short circuit condition Symptoms –…
P0125 Citroen Engine Coolant Temperature Sensor
P0125 Citroen Engine Coolant Temperature Sensor Possible causes – Low engine coolant level– Leaking or stuck open thermostat– Faulty Engine Coolant Temperature (ECT) sensor– Engine Coolant Temperature (ECT) sensor harness is open or shorted– Engine Coolant Temperature (ECT) sensor electrical circuit poor connection What about the obd code? The voltage sent to Engine Control Module…
P0126 Citroen Insufficient Coolant Temperature for Stable Operation
P0126 Citroen Insufficient Coolant Temperature for Stable Operation Possible causes – Low engine coolant level– Leaking or stuck open thermostat– Faulty Engine Coolant Temperature (ECT) sensor– Engine Coolant Temperature (ECT) sensor harness is open or shorted– Engine Coolant Temperature (ECT) sensor electrical circuit poor connection What about the obd code? The voltage sent to Engine…