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Home >> Alfa Romeo >> 2019 >> Giulia Base, AWD >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Communication Devices >> Body Control Module (BCM) - DTCS B1000-44 To B1072-71 >> DTC Troubleshooting >> B1055-23-DNA Driver Stile Switch-Signal Stuck Low >> Diagnostic Test

Diagnostic Test

  1. CHECK FOR AN ACTIVE DTC 
    1. With the scan tool, read Body Control Module (BCM) DTCs and record on the repair order.
    2. Record the Environmental Data and any DTCs.
    3. With the scan tool, erase DTCs.
    4. Using the recorded Environmental Data, along with the When Monitored and Set Conditions above, operate the vehicle in the conditions that set the DTC.
    5. With the scan tool, read BCM DTCs.

      Did the DTC return?

      Yes 

      • Go to  2

      No 

  2. CHECK THE BCM FOR ADDITIONAL DTCS 
    1. With the scan tool, read BCM DTCs.

      Is DTC: B1055-11-DNA DRIVER STILE SWITCH-CIRCUIT SHORT TO GROUND set as Active?

      Yes 

      • Perform the DTC: B1055-11-DNA DRIVER STILE SWITCH-CIRCUIT SHORT TO GROUND diagnostic procedure.

      No 

      • Inspect the Drive Mode Select Switch for any damage or debris that may cause a sticking condition. If no problems are found, replace the Drive Mode Select Switch in accordance with the Service Information.
      • Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .