P1121
Manufacturer-specific fault code
This code has different meanings depending on the manufacturer. Select your vehicle make below to view specific diagnosis and solutions:
Code breakdown
P — System
Powertrain (engine, transmission, fuel & emissions)
1 — Type
Manufacturer-specific
1 — Subsystem
Fuel and air metering
Manufacturer-specific meanings
- Sensore posizione acceleratore incoerente con sensore massa aria
- TP Sensor Circuit Intermittent High Voltage
- Throttle Position Lower Than Expected
- Throttle Position Sensor Inconsistent with Mass Air Flow Sensor
- Accelerator Pedal Position Sensor Range Performance Problem
- Pedal Position Sensor 1 Range Performance Problem
- Pedal Position Sensor A Circuit Range Performance
- Throttle Position Sensor Signal Not Consistent With Mass Air Flow Signal
- Neutral Position Switch Circuit Low Input AT Vehicles
- Oxygen Sensor Heater Circuit Bank 2 Sensor 2 Short To Ground
Related codes
- P1100 — Manufacturer-specific fault code
- P1100-fiat — Intermittenza circuito sensore misuratore massa aria
- P1100-ford — Mass Air Flow Sensor Intermittent
- P1100-lexus — BARO Sensor Circuit Malfunction
- P1100-lincoln — Mass Air Flow Sensor Intermittent
- P1100-mazda — Mass Air Flow Sensor Circuit Intermittent