SpareRadar OBD-II Code Lookup

P1121

Set by the manufacturer, so it means different things on different makes. 24 makes in the table below.

More codes than this one? Paste your whole scan
What P1121 means, by make 24 makes
  • Acura Throttle Position Lower Than Expected
  • Audi O2 Sensor Heater Circ.,Bank2 - Sensor2 Short to Ground
  • BMW Pedal Position Sensor 1 Range/Performance Problem
  • Chevrolet Throttle Position (TP) Sensor Circuit Intermittent High Voltage
  • Citroen Throttle Position (TP) Sensor Circuit Intermittent High Voltage
  • Fiat Throttle position potentiometer 1 [signal implausible]
  • Ford Throttle Position (TP) Sensor Circuit Intermittent High Voltage
  • Honda Throttle Position (TP) Sensor Lower Than Expected
  • Isuzu TP Sensor Circuit Intermittent Voltage High
  • Jaguar Pedal Position Sensor A Circuit Range/Performance
  • Kia Pedal Position Sensor A Circuit Range/Performance
  • Lexus Accelerator Pedal Position Sensor Range/Performance Problem
  • Lincoln Throttle Position Sensor Inconsistent with Mass Air Flow Sensor
  • Mazda Throttle Position Sensor Signal Not Consistent with Mass Airflow Signal
  • Mercedes-Benz Tp sensor signal not consistent with MAF signal
  • Mercury Throttle Position Sensor Inconsistent with Mass Air Flow Sensor
  • Nissan Electronic Throttle Control Actuator
  • Peugeot Throttle Position (TP) Sensor Circuit Intermittent High Voltage
  • Porsche Oxygen Sensor Heating
  • Saturn Throttle Position Sensor Circuit Voltage Out Of Range, High
  • Subaru Pressure Sources Switching Valve Circuit High Input
  • Toyota Accelerator Pedal Position Sensor Range/Performance Problem
  • Volkswagen O2 Sensor Heater Circ.,Bank2 - Sensor2 Short to Ground
  • Volvo O2 Sensor Heater Circ.,Bank2 - Sensor2 Short to Ground

Each line is that manufacturer's own meaning for P1121. They are genuinely different faults, not rewordings of one, so a meaning listed against one make says nothing about the others. If your make is not listed, we do not hold it - your manufacturer's service information is the authority.

Code structure P1121
P
Powertrain
engine, transmission and emissions
1
Manufacturer-specific
Defined by the vehicle manufacturer, so the meaning varies between makes.
1
2
1
Fault index
identifies the specific fault
Powertrain Manufacturer-specific
Nearby codes in the P1 range
P111C manufacturer-specific, 2 makes P111E manufacturer-specific, 3 makes P111F manufacturer-specific, 3 makes P1120 manufacturer-specific, 21 makes P1122 manufacturer-specific, 23 makes P1123 manufacturer-specific, 19 makes P1124 manufacturer-specific, 17 makes P1125 manufacturer-specific, 19 makes

Manufacturer code meanings from kierandrewett/obd (b56a07a), used under the MIT licence. Copyright (c) Kieran Drewett. SpareRadar is not affiliated with the dataset's authors.