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Home >> Scion >> 2016 >> iA Automatic Trans >> Repair and Diagnosis >> Accessories & Equipment >> Gauges & Instrument Panels >> Meter / Gauge / Display - Diagnostic Codes & Symptom Tests >> Meter / Gauge System >> DTC U3000-41: Control Module General Checksum Failure [07/2015 - ] >> Procedure

DTC U3000-41: Control Module General Checksum Failure [07/2015 - ]: Procedure

  1. VERIFY IF MALFUNCTIONING LOCATION IS COMBINATION METER DEPENDING ON REPEATABILITY 
    1. Clear the DTC for the combination meter using the Techstream.

      Refer to DTC CHECK / CLEAR [07/2015 - ]

      Body Electrical > Instrument Cluster > Clear DTCs 

    2. Retrieve the combination meter DTCs using the Techstream.

      Refer to DTC CHECK / CLEAR [07/2015 - ]

      Body Electrical > Instrument Cluster > Trouble Codes 

    3. Is the same DTC displayed?

      Result

      Proceed to
      Yes
      No

    Result:  2

    Yes 

    See step  3

    Result:  1

    No 

    See step  2

  2. VERIFY IF OTHER DTCs DISPLAYED 
    1. Are any other DTCs displayed?

      Result

      Proceed to
      Yes
      No

    Result:  1

    No 

    DTC TROUBLESHOOTING COMPLETED. 

    Result:  2

    Yes 

    REPAIR OR REPLACE THE MALFUNCTIONING PART ACCORDING TO THE APPLICABLE DTC TROUBLESHOOTING. Refer to  DIAGNOSTIC TROUBLE CODE CHART [07/2015 - ] 

  3. REPLACE THE COMBINATION METER. 
    1. Refer to REMOVAL [07/2015 - ]
    2. Then go to the next step.

      Result

      Proceed to
      NEXT

    Result:  1

    NEXT 

    See step  2