Acura P1115: ECT Sensor Circuit High Input (Intermittent)

Is your scanner showing Acura P1115?
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OBD Codex, Administrator

Acura P1115: ECT Sensor Circuit High Input (Intermittent)

DIY Difficulty Level
Repair Cost
Can I Still Drive?
Yes (Short-term only)

What Does The Acura P1115 Code Mean?

Engine started, engine runtime 1 minute, and the PCM detected an unexpected high voltage of over 4.90v [Scan Tool reads -38ºF] on the ECT sensor circuit for 10 seconds over a 100 second period.

What Are The Potential Causes Of The Acura P1115 Code?

Below are some potential causes of this DTC:

  • ECT sensor signal circuit is open (an intermittent fault)
  • ECT 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
>>> Delphi TS10180 Engine Coolant Temperature 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 P1115, DTCDECODE.

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