P1115 Intake Air Temperature Sensor 2 Circuit High
What does P1115 mean on a Ford?
P1115 — Intake Air Temperature Sensor 2 Circuit High. This Ford-enhanced code applies to Supercharged and turbocharged Ford models.
Common causes of P1115
- Open IAT2 signal circuit
- Unplugged IAT2 connector after intercooler work
- Failed sensor reading open
- Broken wire in the IAT2 harness
- Corroded terminals
How to fix P1115
- Confirm the connector is seated after any recent front-end work
- Test circuit continuity end to end
- Measure sensor resistance
- Repair opens or terminal damage
- Replace the sensor if the circuit is intact