garajizOBD-II code · manufacturer-specific
P1118
IAT Sensor Open/Short
- System
- P1 — Powertrain (manufacturer-specific)
- Severity
- Minor (2/5)
- Can I keep driving?
- Usually safe to drive
What does P1118 mean?
P1118 is defined as “IAT Sensor Open/Short”.
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.
- GM, GMC, Oldsmobile, Saturn: Engine Coolant Temp Signal Out Of Range High
- Buick, Cadillac, Chevrolet, Chrysler: Engine Coolant Temp Signal Out-Of Range High
- Ford, Lincoln, Mercury: Manifold Absolute Temperature Circuit Low Input
- BMW: Mass Or Volume Air Flow Circuit High Input Bank 2
- Volkswagen: Oxygen Sensor Heater Circuit Open Bank 1 Sensor 2
Related codes
- P1117Intake Air Temperature (IAT) Sensor Circuit Intermittent Low Voltage
- P1119Engine Coolant Temperature (ECT) Sensor Circuit Intermittent Low Voltage/IAT - B Circuit Low Input
- P1116Intake Air Temperature (IAT) Sensor Circuit Intermittent High Voltage
- P1120Engine Coolant Temperature (ECT) Sensor Circuit Intermittent High Voltage/IAT - B Circuit High Input
- 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.