NAVIGATION SYSTEM (for Radio and Display Type), Diagnostic DTC:B1552, B158A

DTC Code DTC Name
B1552 Extension Module Malfunction
B158A Extension Module Noise Adjustment Malfunction

DESCRIPTION

These DTCs are stored when a malfunction occurs in the extension module.

DTC No. DTC Detection Condition Trouble Area
B1552 Internal malfunction of the extension module Extension module
B158A Screen noise adjustment fails

INSPECTION PROCEDURE

PROCEDURE

  1. CHECK DTC

    1. Clear the DTCs Click here.

    2. Recheck for DTCs and check if the same DTC is output again.

      OK
      No DTCs are output.
    NG

    REPLACE EXTENSION MODULE Click here

    OK

    USE SIMULATION METHOD TO CHECK Click here