garajizOBD-II code · manufacturer-specific
P1121
Engine Coolant sensor out of range/ECT Sensor Out Of Self Test Range
- System
- P1 — Powertrain (manufacturer-specific)
- Severity
- Moderate (3/5)
- Can I keep driving?
- Drive with caution
What does P1121 mean?
P1121 is defined as “Engine Coolant sensor out of range/ECT Sensor Out Of Self Test Range”.
Drive gently and only as far as you need to; have it checked as soon as possible.
Manufacturer-specific meanings
The same code can mean something different on some makes.
- Lexus, Toyota: Accelerator Pedal Position Sensor Range Performance Problem
- Subaru: Neutral Position Switch Circuit Low Input AT Vehicles
- Volkswagen: Oxygen Sensor Heater Circuit Bank 2 Sensor 2 Short To Ground
- BMW: Pedal Position Sensor 1 Range Performance Problem
- Jaguar: Pedal Position Sensor A Circuit Range Performance
- Buick, Cadillac, Chevrolet, Chrysler, GM, GMC, Oldsmobile, Saturn: TP Sensor Circuit Intermittent High Voltage
- Citroen, Diğer, Peugeot: Throttle Position (TP) Sensor Circuit Intermittent High Voltage
- Acura, Honda, Infiniti: Throttle Position Lower Than Expected
- Ford, Lincoln, Mercury: Throttle Position Sensor Inconsistent with Mass Air Flow Sensor
- Kia: Throttle Position Sensor Signal Invalid
- Mazda: Throttle Position Sensor Signal Not Consistent With Mass Air Flow Signal
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This page is general information; an exact diagnosis needs measurements and a technician’s check.