DTC P1794 Acura

A T Barometric Pressure Sensor Circuit Malfunction

A T Barometric Pressure Sensor Circuit Malfunction

Description

Key on or engine running; and the PCM detected an unexpected voltage condition on the BARO sensor signal circuit to the TCM. The BARO sensor is built into the PCM on this vehicle application. Note: The D4 lamp on the dash will flash 13 times if this code

Cause and Solution

BARO signal circuit to the TCM is open or shorted to ground
BARO signal circuit to the TCM is shorted to VREF
BARO sensor connector is disconnected or damaged

Video Guide

Duration: PT4M11S | Uploaded: 2020-04-20

Diagnostic Info

  • DTC Code: P1794
  • Brand: Acura
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