LEMON Manuals: Even more car manuals for everyone
Home >> Fiat >> 2017 >> 500 Pop, Standard Trans >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Communication Devices >> Body Control Module (BCM) - DTCS B10AD-19 To U1749-87 - 500 - Except Electric >> DTC Troubleshooting >> B11A7-62 VTM SYS Block Signal Compare Failure >> Diagnostic Test

Diagnostic Test

  1. VERIFY DTC IS ACTIVE 
    NOTE:

    Make sure the battery voltage is between 10 and 16 volts before proceeding.

    1. With the scan tool, erase DTCs.
    2. Turn the ignition off.
    3. Turn the ignition on and wait five seconds.
    4. With the scan tool, read active DTCs.

      Does the scan tool display this DTC active?

      Yes 

      • Go To  2

      No 

      • Test complete, the condition or conditions that originally set this DTC are not present at this time. Using the wiring diagrams as a guide, check all related splices and connectors for signs of water intrusion, corrosion, pushed out or bent terminals, and correct pin tension.
      • Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .
  2. CHECK FOR DTCS IN THE VTM 
    1. With the scan tool, read the VTM DTCs.

      Are any DTCs present?

      Yes 

      No 

      • Go To  3
  3. CHECK VTM STATUS WITH SERVICE PROVIDER 
    1. Turn the ignition off.
    2. Request that the customer contact the service provider to send the unblock command.
    3. Attempt to start the vehicle.

      Does the vehicle start?

      Yes 

      No 

      • Replace the VTM in accordance with the service information.
      • Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .