DTC P2185 Acura

Engine Coolant Temperature (ECT) Sensor 2 Circuit High Voltage (Includes Hybrid Models)

Engine Coolant Temperature (ECT) Sensor 2 Circuit High Voltage (Includes Hybrid Models)

Description

With ignition ON (II) the ECT sensor 2 output voltage is 4.92 volts or more for at least 2 seconds. The execution time is continuous and DTC P2184 is not active. NOTE: Before you troubleshoot, record all freeze data and any on-board snapshot.

Cause and Solution

Poor connections or loose terminals at ECT sensor 2 and the PCM
Open in the wire between the PCM and ECT sensor 2
Faulty ECT sensor 2
PCM may need to be updated with the latest software

Video Guide

Duration: PT4M16S | Uploaded: 2020-04-21

Diagnostic Info

  • DTC Code: P2185
  • Brand: Acura
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