garajizOBD-II code · manufacturer-specific
P1120
Engine Coolant Temperature (ECT) Sensor Circuit Intermittent High Voltage/IAT - B Circuit High Input
- System
- P1 — Powertrain (manufacturer-specific)
- Severity
- Minor (2/5)
- Can I keep driving?
- Usually safe to drive
What does P1120 mean?
P1120 is defined as “Engine Coolant Temperature (ECT) Sensor Circuit Intermittent High Voltage/IAT - B Circuit High Input”.
You can usually keep driving, but have it checked soon so a small fault doesn’t become a bigger one.
Manufacturer-specific meanings
The same code can mean something different on some makes.
- Toyota: Accelerator Pedal Position Sensor Circuit
- Lexus: Accelerator Pedal Position Sensor Circuit Malfunction
- Volkswagen: Oxygen Sensor Heater Circuit Bank 2 Sensor 1 Open
- BMW: Pedal Position Sensor Circuit
- Nissan: Secondary Throttle Position Sensor Circuit Fault
- Subaru: Starter Switch High Input
- Buick, Cadillac, Chevrolet, Chrysler, GM, GMC: Throttle Position (TP) Sensor 1 Circuit
- Mazda: Throttle Position Sensor Out Of Range Low
- Ford, Lincoln, Mercury: Throttle Position Sensor Out of Range
- Oldsmobile, Saturn: Throttle Position TP Sensor 1 Circuit
Related codes
- P1119Engine Coolant Temperature (ECT) Sensor Circuit Intermittent Low Voltage/IAT - B Circuit Low Input
- P1118IAT Sensor Open/Short
- P1117Intake Air Temperature (IAT) Sensor Circuit Intermittent Low Voltage
- P1116Intake Air Temperature (IAT) Sensor Circuit Intermittent High Voltage
- P1115IAT Sensor (D/C) Open/Short
- P1114IAT - B Sensor Intermittent
Look up another code
This page is general information; an exact diagnosis needs measurements and a technician’s check.