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Home >> Alfa Romeo >> 2019 >> Giulia Base, AWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 19 (2.9L Pcm 2 - DTCS P2240-00 To U143B-00) >> DTC Troubleshooting >> U01B0-00 - Lost Communication With Battery Monitor Module >> Diagnostic Test

Diagnostic Test

WARNING: This page is about a different variant/trim than selected.
  1. CHECK FOR AN ACTIVE DTC 
    1. Turn the ignition on.
    2. With the scan tool, read DTCs and record on the repair order.
      NOTE:

      It may be necessary to drive the vehicle to meet the conditions to set this DTC, try to repeat the conditions in which the fault originally set by reviewing the Freeze Frame data.

      Is the DTC active or pending?

      Yes 

      • Go To  2

      No 

  2. CHECK FOR OTHER DTCS 
    1. Refer to the recorded DTCs.

      Are there any Communication DTCs active or pending?

      Yes 

      • Perform the applicable diagnostic procedure(s). Refer to DTC INDEX .

      No 

      • Go To  3
  3. CHECK FOR INTELLIGENT BATTERY SENSOR CIRCUIT DTCS SET IN THE BODY CONTROL MODULE 

    Are any Intelligent Battery Sensor Circuit DTCs set in the Body Control module?

    Yes 

    • Diagnose the appropriate Intelligent Battery Sensor Circuit DTC in the Body Control module. Refer to DIAGNOSIS AND TESTING .

    No 

    • Go To  4
  4. VERIFY THE CORRECT BATTERY IS INSTALLED 
    1. Verify that the correct battery is installed in the vehicle.

      Is the correct battery installed?

      Yes 

      No