U0162 – Lost Communication With Navigation Display Module

U0162 Possible Symptoms

Engine Light ON (or Service Engine Soon Warning Light)

U0162 Possible Causes

Faulty Front Display Interface Module (FDIM),Front Display Interface Module (FDIM) harness is open or shorted,Front Display Interface Module (FDIM) circuit poor electrical connection,Faulty Accessory Protocol Interface Module (APIM)

U0162 Description

The Front Display Interface Module (FDIM) is directly connected to the Accessory Protocol Interface Module (APIM). No external circuits are connected to the FDIM. The OBDII codes set by the APIM when communication is missing from the FDIM for more than 1 seconds with the ignition in the RUN position.