Acura P1111: IAT Sensor Circuit High Input (Intermittent)
Is your scanner showing Acura P1111?
No worries. We'll show you what it means and how to deal with it.
Acura P1111: IAT Sensor Circuit High Input (Intermittent)
OVERVIEWWhat Does The Acura P1111 Code Mean?
Engine started, engine runtime over 4 minutes, ECT sensor more than 140ºF, vehicle speed under 20 mph, MAF sensor less than 20 g/sec, and the PCM detected an unexpected high voltage signal of over 4.90v [Scan Tool reads -38ºF] on the IAT sensor circuit.
What Are The Potential Causes Of The Acura P1111 Code?
Below are some potential causes of this DTC:
- IAT sensor signal circuit is open (an intermittent fault)
- IAT sensor is damaged or has failed (an intermittent fault)
- PCM has failed
Recommended Parts
Below are some recommended auto parts to help you address the trouble code affecting your vehicle and get it running smoothly again:
>>> Twippo 372Pcs Waterproof Wire Connectors Kit
>>> Mean Mug Auto 81514-192019A Air Charge/Intake Temperature Sensor (IAT Sensor)
>>> Acura Engine Control Module
Note: During the purchasing process, please check carefully whether the part you want to buy fits your car!
Reference Sources
Acura P1111, DTCDECODE.