P0137 Volvo 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…
P0136 Volvo HO2S12 Sensor Range/Performance Condition
P0136 Volvo 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…
P0135 Volvo O2 Sensor Heater Circuit Malfunction Bank 1 Sensor 1
P0135 Volvo 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…
P0134 Volvo O2 Sensor Circuit No Activity Detected Bank 1 Sensor 1
P0134 Volvo 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–…
P0133 Volvo HO2S11 Sensor Circuit Slow Response
P0133 Volvo 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…
P0132 Volvo HO2S11 Sensor Circuit High Voltage
P0132 Volvo 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…
P0131 Volvo HO2S11 Sensor Circuit Low Voltage
P0131 Volvo 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…
P0130 Volvo HO2S11 Sensor Range/Performance Condition
P0130 Volvo 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…
P012E Volvo Turbocharger / Supercharger Inlet Pressure Sensor Circuit Intermittent / Erratic
P012E Volvo Turbocharger / Supercharger Inlet Pressure Sensor Circuit Intermittent / Erratic OBD Code: System: Subsystem: P012E Volvo – (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: Volvo Vehicle:Volvo C70,Volvo S40,Volvo XC90,Volvo XC70,Volvo XC60,Volvo…
P012D Volvo Turbocharger / Supercharger Inlet Pressure Sensor Circuit High
P012D Volvo Turbocharger / Supercharger Inlet Pressure Sensor Circuit High OBD Code: System: Subsystem: P012D Volvo – (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: Volvo Vehicle:Volvo C70,Volvo S40,Volvo XC90,Volvo XC70,Volvo…
P012C Volvo Turbocharger / Supercharger Inlet Pressure Sensor Circuit Low
P012C Volvo Turbocharger / Supercharger Inlet Pressure Sensor Circuit Low OBD Code: System: Subsystem: P012C Volvo – (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: Volvo Vehicle:Volvo C70,Volvo S40,Volvo XC90,Volvo XC70,Volvo…
P012B Volvo Turbocharger / Supercharger Inlet Pressure Sensor Circuit Range / Performance
P012B Volvo Turbocharger / Supercharger Inlet Pressure Sensor Circuit Range / Performance OBD Code: System: Subsystem: P012B Volvo – (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: Volvo Vehicle:Volvo C70,Volvo S40,Volvo XC90,Volvo XC70,Volvo…
P012A Volvo Turbocharger / Supercharger Inlet Pressure Sensor Circuit
P012A Volvo Turbocharger / Supercharger Inlet Pressure Sensor Circuit OBD Code: System: Subsystem: P012A Volvo – (ASE) Powertrain Fuel and Air Metering Trouble Code Description: Turbocharger / Supercharger Inlet Pressure Sensor Circuit Location: Analysis: Possible Causes: Circuit Issue Tech description: Volvo Vehicle:Volvo C70,Volvo S40,Volvo XC90,Volvo XC70,Volvo XC60,Volvo V70,Volvo V50,Volvo V40,Volvo S90,Volvo S80,Volvo S60
P0129 Volvo Barometric Pressure Out Of Range Low
P0129 Volvo 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 Volvo Description The Engine Control Module (ECM) has…
P0128 Volvo Engine Coolant Temperature Below Thermostat Regulating Temperature
P0128 Volvo 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…
P0127 Volvo Intake Air Temperature Too High
P0127 Volvo 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…
P0126 Volvo Insufficient Coolant Temperature for Stable Operation
P0126 Volvo 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…
P0125 Volvo Engine Coolant Temperature Sensor
P0125 Volvo 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…
P0124 Volvo Throttle Position Sensor/Accelerator Position Pedal Circuit Intermittent
P0124 Volvo 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 Volvo code will set if the monitored TPS has an open or short circuit condition Symptoms –…
P0123 Volvo Throttle Position Sensor/Accelerator Position Pedal Circuit High Input
P0123 Volvo 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 Volvo code will set if Throttle Position Sensor (TPS) voltage drops…