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Home >> Lexus >> 2020 >> ES 300h Luxury >> Repair and Diagnosis >> Suspension >> Wheels & Tire System >> Tire Pressure Warning System (Hybrid) - Diagnostic Codes & Symptom Tests >> TIRE PRESSURE WARNING SYSTEM (for HV Model) >> DTC C2178: Vehicle Speed Information Communication Lost [06/2018 - ] >> Procedure

DTC C2178: Vehicle Speed Information Communication Lost [06/2018 - ]: Procedure

  1. INSPECT COMBINATION METER ASSEMBLY (ON-VEHICLE INSPECTION) 
    1. Perform On-vehicle Inspection of the meter/gauge system.

      Refer to ON-VEHICLE INSPECTION [06/2018 - ]

      HINT: 

      Check the meter function by referring to On-vehicle Inspection for the combination meter assembly.

      Result

      Result Proceed to
      Combination meter assembly is normal A
      Combination meter assembly is malfunctioning B

    Result: 

    REPLACE TIRE PRESSURE WARNING ECU AND RECEIVER. Refer to  REMOVAL [06/2018 - 08/2021]  , or refer to  REMOVAL [08/2021 - 09/2022]  , or refer to  REMOVAL [09/2022 - ] 

    Result: 

    GO TO METER / GAUGE SYSTEM. Refer to  HOW TO PROCEED WITH TROUBLESHOOTING [06/2018 - ]