P0140 Audi 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: Audi
P0141 Audi O2 Sensor 1/2 Heater Performance
P0141 Audi 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…
P0142 Audi O2 Sensor Circuit Malfunction Bank 1 Sensor 3
P0142 Audi O2 Sensor Circuit Malfunction Bank 1 Sensor 3 Possible causes – Faulty Heated Oxygen Sensor Bank 1 Sensor 3– Heated Oxygen Sensor Bank 1 Sensor 3 harness is open or shorted– Heated Oxygen Sensor Bank 1 Sensor 3 circuit poor electrical connection Tech description Replacing the O2 Sensor 3 usually takes care of…
P0133 Audi HO2S11 Sensor Circuit Slow Response
P0133 Audi 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…
P0134 Audi O2 Sensor Circuit No Activity Detected Bank 1 Sensor 1
P0134 Audi 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 Audi O2 Sensor Heater Circuit Malfunction Bank 1 Sensor 1
P0135 Audi 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 Audi HO2S12 Sensor Range/Performance Condition
P0136 Audi 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 Audi HO2S Circuit Low Voltage Bank 1 Sensor 2
P0137 Audi 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…
P012D Audi Turbocharger / Supercharger Inlet Pressure Sensor Circuit High
P012D Audi Turbocharger / Supercharger Inlet Pressure Sensor Circuit High OBD Code: System: Subsystem: P012D Audi – (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: Audi Vehicle:Audi A1,Audi A3,Audi A1,Audi A3,Audi…
P012E Audi Turbocharger / Supercharger Inlet Pressure Sensor Circuit Intermittent / Erratic
P012E Audi Turbocharger / Supercharger Inlet Pressure Sensor Circuit Intermittent / Erratic OBD Code: System: Subsystem: P012E Audi – (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: Audi Vehicle:Audi A1,Audi A3,Audi A1,Audi A3,Audi A1,Audi…
P0130 Audi HO2S11 Sensor Range/Performance Condition
P0130 Audi 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 Audi HO2S11 Sensor Circuit Low Voltage
P0131 Audi 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 Audi HO2S11 Sensor Circuit High Voltage
P0132 Audi 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…
P0128 Audi Engine Coolant Temperature Below Thermostat Regulating Temperature
P0128 Audi Engine Coolant Temperature Below Thermostat Regulating Temperature Possible causes – Leaking or stuck open thermostat– Low engine coolant level– Insufficient warm up time– Faulty engine coolant temperature sensor– Engine coolant temperature sensor harness is open or shorted– Engine coolant temperature sensor circuit poor electrical connection Tech description If cooling system is not leaking…
P0129 Audi Barometric Pressure Out Of Range Low
P0129 Audi 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 Audi Description The Engine Control Module (ECM) has…
P012A Audi Turbocharger / Supercharger Inlet Pressure Sensor Circuit
P012A Audi Turbocharger / Supercharger Inlet Pressure Sensor Circuit OBD Code: System: Subsystem: P012A Audi – (ASE) Powertrain Fuel and Air Metering Trouble Code Description: Turbocharger / Supercharger Inlet Pressure Sensor Circuit Location: Analysis: Possible Causes: Circuit Issue Tech description: Audi Vehicle:Audi A1,Audi A3,Audi A1,Audi A3,Audi A1,Audi A3,Audi A4,Audi A5,Audi Q3,Audi A5,Audi Q5,Audi A3,Audi…
P012B Audi Turbocharger / Supercharger Inlet Pressure Sensor Circuit Range / Performance
P012B Audi Turbocharger / Supercharger Inlet Pressure Sensor Circuit Range / Performance OBD Code: System: Subsystem: P012B Audi – (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: Audi Vehicle:Audi A1,Audi A3,Audi A1,Audi A3,Audi…
P012C Audi Turbocharger / Supercharger Inlet Pressure Sensor Circuit Low
P012C Audi Turbocharger / Supercharger Inlet Pressure Sensor Circuit Low OBD Code: System: Subsystem: P012C Audi – (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: Audi Vehicle:Audi A1,Audi A3,Audi A1,Audi A3,Audi…
P0127 Audi Intake Air Temperature Too High
P0127 Audi Intake Air Temperature Too High Possible causes – Faulty Intake Air Temperature (IAT) sensor– Intake Air Temperature (IAT) sensor harness is open or shorted– Intake Air Temperature (IAT) sensor electrical circuit poor connection Tech description If the Intake Air Temperature (IAT) is part of the Mass Air Flow (MAF) the MAF assembly will…
P0123 Audi Throttle Position Sensor/Accelerator Position Pedal Circuit High Input
P0123 Audi Throttle Position Sensor/Accelerator Position Pedal Circuit High Input Possible causes – Faulty throttle position sensor– Throttle position sensor harness is open or shorted– Throttle position sensor circuit poor electrical connection– Faulty Powertrain Control Module (PCM) What about the obd code? The P0122 Audi code will set if Throttle Position Sensor (TPS) voltage drops…