NAVIGATION SYSTEM, Diagnostic DTC:B1552,B158A and B15B7

DTC Code DTC Name
B1552 Extension Module Malfunction
B158A Extension Module Noise Adjustment Malfunction
B15B7 Bluetooth Module Malfunction

DESCRIPTION

These DTCs are stored when a malfunction occurs in the navigation ECU.

DTC Code

DTC Detection Condition

Trouble Area

B1552

Internal malfunction of the navigation ECU

Navigation ECU

B158A

Screen noise adjustment fails

B15B7

Bluetooth Module Malfunction

CAUTION / NOTICE / HINT

Note:

Check that the wire harness is properly installed and does not have any sharp bends, pinching or loose connections (Click here).

PROCEDURE

  1. CHECK DTC

    1. Clear the DTCs (Click here).

    2. Check for DTCs and check that no DTCs are output.

      OK

      No DTCs are output.

    USE SIMULATION METHOD TO CHECK

    (Click here)

    REPLACE NAVIGATION ECU

    (Click here)