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HOMESERVICE MANUALSTOYOTA20254RUNNER SR5, 4WDREPAIR AND DIAGNOSIS (SINGLE PAGE)ACCESSORIES & EQUIPMENTCOLLISION/AVOIDANCEFRONT CAMERA SYSTEM - DIAGNOSTIC CODES & CIRCUIT TESTSFRONT CAMERA SYSTEMDTC U0163-87: LOST COMMUNICATION WITH NAVIGATION CONTROL MODULE MISSING MESSAGE [12/2024 - ]PROCEDURE
2025 Toyota 4Runner SR5, 4WD

DTC U0163-87: Lost Communication with Navigation Control Module Missing Message [12/2024 - ]: Procedure

2025 Toyota 4Runner SR5, 4WDSECTION Procedure
  1. NAVIGATION INSTALLATION INFORMATION INITIALIZATION 

    HINT: 

    This utility is used to initialize the navigation installation information stored in the front recognition camera.

    1. Following the instructions on the GTS, perform "Navigation Installation Information Initialization".

      Chassis > Front Recognition Camera > Utility 

      Tester Display
      Navigation Installation Information Initialization

      Result

      Proceed to
      NEXT

    Result: 

    NEXT 

    See step  2

  2. CLEAR DTC 
    1. Clear the DTCs.

      Chassis > Front Recognition Camera > Clear DTCs 

      Result

      Proceed to
      NEXT

    Result: 

    NEXT 

    See step  3

  3. CHECK FOR DTCs 

    Pre-procedure1

    • Make sure that the DTC detection conditions are met.

      HINT: 

      If the detection conditions are not met, the system cannot detect the malfunction.

    • Check for DTCs.

      Chassis > Front Recognition Camera > Trouble Codes 

      Result

      Result Proceed to
      DTCs are not output A
      U0163-87 is output B

    Post-procedure1

    • None

    Result: 

    A 

    USE SIMULATION METHOD TO CHECK 

    Refer to METHOD TO SIMULATE PROBLEM SYMPTOMS [12/2024 - ]

    Result: 

    B 

    GO TO REFER TO "CAN COMMUNICATION SYSTEM" 

RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

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