OBD Codes

P0121 Throttle Position Sensor/Switch A Circuit Range/Performance Problem P0122 Throttle Position Sensor/Switch A Circuit Low Input P0123 Throttle Position Sensor/Switch A Circuit High Input P0124 Throttle Position Sensor/Switch A Circuit Intermittent P0125 Insufficient Coolant Temperature for Closed Loop Fuel Control P0126 Insufficient Coolant Temperature for Stable Operation P0127 Intake Air Temperature Too High P0128 Coolant Thermostat (Coolant Temperature Below Thermostat Regulating Temperature) P0129 Barometric Pressure Too Low P012A Turbocharger/Supercharger Inlet Pressure Sensor Circuit (Downstream of throttle valve) P012B Turbocharger/Supercharger Inlet Pressure Sensor Circuit Range/Performance (Downstream of throttle valve) P012C Turbocharger/Supercharger Inlet Pressure Sensor Circuit Low (Downstream of throttle valve) P012D Turbocharger/Supercharger Inlet Pressure Sensor Circuit High (Downstream of throttle valve) P012E Turbocharger/Supercharger Inlet Pressure Sensor Circuit Intermittent/Erratic (Downstream of throttle valve) P0130 02 Sensor Circuit Malfunction (Bank I Sensor 1) P0131 02 Sensor Circuit Low Voltage (Bank I Sensor I) P0132 02 Sensor Circuit High Voltage (Bank I Sensor 1) P0133 02 Sensor Circuit Slow Response (Bank 1 Sensor 1) P0134 02 Sensor Circuit No Activity Detected (Bank I Sensor 1) P0135 02 Sensor Heater Circuit Malfunction (Bank 1 Sensor 1) P0136 02 Sensor Circuit Malfunction (Bank I Sensor 2) P0137 02 Sensor Circuit Low Voltage (Bank I Sensor 2) P0138 02 Sensor Circuit High Voltage (Bank I Sensor 2) P0139 02 Sensor Circuit Slow Response (Bank 1 Sensor 2) P013A O2 Sensor Slow Response – Rich to Lean (Bank 1 Sensor 2) P013B O2 Sensor Slow Response – Lean to Rich (Bank 1 Sensor 2) P013C O2 Sensor Slow Response – Rich to Lean (Bank 2 Sensor 2) P013D O2 Sensor Slow Response – Lean to Rich (Bank 2 Sensor 2) P013E O2 Sensor Delayed Response – Rich to Lean (Bank 1 Sensor 2) P013F O2 Sensor Delayed Response – Lean to Rich (Bank 1 Sensor 2)
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