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Home >> Fiat >> 2019 >> 500 Lounge, Automatic Trans >> Repair and Diagnosis >> Electrical >> Gauges >> (Instrument Cluster - Electrical Diagnostics - 500 - Except Electric) >> Diagnosis And Testing >> U1700-86-Implausible Data Received From BCM >> Diagnostic Test

Diagnostic Test

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

      Did the DTC return?

      Yes 

      • Go To 2

      No 

  2. VERIFY IF THIS DTC SET IN OTHER MODULES 
    1. Turn the ignition on.
    2. With the scan tool, read DTCs.

      Are any other modules on the CAN BUS reporting this DTC?

      Yes 

      No 

      • Replace and program the module that set this DTC in accordance to the Service Information. Perform its respective verification test.