DTC 13: BARO Sensor

If the Malfunction Indicator Lamp (MIL) indicates Diagnostic Trouble Code (DTC) 13, a problem may exist in the Barometric Pressure (BARO) Sensor. See Fig 1 . The BARO Sensor is built into the ECM.

Fig 1: BARO Sensor Circuit Diagnostic Flowchart

Courtesy of AMERICAN HONDA MOTOR CO., INC.