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Home >> Toyota >> 2021 >> Highlander LE, 4WD >> Repair and Diagnosis >> Body & Frame >> Sun Roof/T-Top/Convertible Top >> Panoramic Moon Roof System - Diagnostic Codes & Symptom Tests >> Panoramic Moon Roof System >> DTC B2341: Sensor (Motor) Failure; DTC B2344: Position Failure [12/2019 - ] >> Caution / Notice / Hint

Caution / Notice / Hint

NOTE:
  • If the sliding roof ECU (sliding roof drive gear assembly) or roof sunshade ECU (sliding roof drive gear assembly) is removed and reinstalled or replaced, the sliding roof ECU (sliding roof drive gear assembly) or roof sunshade ECU (sliding roof drive gear assembly) must be initialized.

    Refer to INITIALIZATION [12/2019 - ]

  • The panoramic moon roof system uses the LIN communication system. First, confirm that there are no malfunctions in the LIN communication system. Refer to How to Proceed with Troubleshooting.

    Refer to HOW TO PROCEED WITH TROUBLESHOOTING [12/2019 - 11/2023] , or refer to HOW TO PROCEED WITH TROUBLESHOOTING [11/2023 - ]

  • DTCs B2341 and B2344 are stored in the sliding roof ECU (sliding roof drive gear assembly) and roof sunshade ECU (sliding roof drive gear assembly).
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