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Pinpoint Test Bx: U3003:16: U3003:16

  1. BX1 RECHECK THE IPC (INSTRUMENT PANEL CLUSTER) DIAGNOSTIC TROUBLE CODES (DTCS) 
    • Ignition ON.
    • Using a diagnostic scan tool, clear the Diagnostic Trouble Codes (DTCs).
    • Wait 10 seconds.
    • Using a diagnostic scan tool, perform the IPC  self-test.

    Is DTC U3003:16 still present? 

    1. Yes  : GO to BX2 
    2. No  : The system is operating correctly at this time. The DTC  may have been set due to a previous low battery voltage condition.
  2. BX2 CHECK FOR CHARGING SYSTEM DIAGNOSTIC TROUBLE CODES (DTCS) IN THE BCM (BODY CONTROL MODULE) 
    • Using a diagnostic scan tool, perform the BCM  self-test.

    Are any charging system Diagnostic Trouble Codes (DTCs) recorded? 

    1. Yes  : REFER to: BODY CONTROL MODULE (BCM) .
    2. No  : GO to BX3 
  3. BX3 CHECK THE BATTERY CONDITION AND STATE OF CHARGE 
    • Check the battery condition and verify the battery is fully charged.

      REFER to: BATTERY .

    Is the battery OK and fully charged? 

    1. Yes  : GO to BX4 
    2. No  : If the battery is discharged, DIAGNOSE the cause of the low battery condition.

      REFER to: BATTERY .

      If the battery condition fails, INSTALL a new battery.

      REFER to: BATTERY .

  4. BX4 CHECK THE IPC (INSTRUMENT PANEL CLUSTER) VOLTAGE PID 
    • Measure and record the voltage at the battery.
    • Using a diagnostic scan tool, view the IPC  Parameter Identifications PIDs).
    • Monitor the IPC  voltage (MODULE_VOLT) PID 

    Is the voltage within 0.2 volt of the recorded battery voltage? 

    1. Yes  : GO to  BX7
    2. No  : GO to BX5 
  5. BX5 CHECK THE IPC (INSTRUMENT PANEL CLUSTER) VOLTAGE SUPPLY 
    • Ignition OFF.
    • Disconnect IPC C220  .
    • Ignition ON.
    • Measure:
      Positive Lead Measurement/Action Negative Lead
      C220-21  VOLTAGE Ground

    Is the voltage greater than 11 volts? 

    1. Yes  : GO to BX6 
    2. No  : REPAIR the circuit for high circuit resistance.
  6. BX6 CHECK THE IPC (INSTRUMENT PANEL CLUSTER) GROUND 
    • Measure:
      Positive Lead Measurement/Action Negative Lead
      C220-21  VOLTAGE C220-5 

    Is the voltage greater than 11 volts? 

    1. Yes  : GO to BX7 
    2. No  : REPAIR the circuit for high circuit resistance.
  7. BX7 CHECK FOR CORRECT IPC (INSTRUMENT PANEL CLUSTER) OPERATION 
    • Ignition OFF.
    • Disconnect and inspect the IPC  connector.
    • Repair:
      • corrosion (install new connector or terminals - clean module pins)
      • damaged or bent pins - install new terminals/pins
      • pushed-out pins - install new pins as necessary
    • Reconnect the IPC  connector. Make sure it seats and latches correctly.
    • Operate the system and determine if the concern is still present.

    Is the concern still present? 

    1. Yes  : CHECK OASIS  for any applicable Technical Service Bulletins (TSBs). If a TSB  exists for this concern, DISCONTINUE this test and FOLLOW TSB  instructions. If no Technical Service Bulletins (TSBs) address this concern, INSTALL a new IPC  . REFER to: INSTRUMENT PANEL CLUSTER (IPC)  .
    2. No  : The system is operating correctly at this time. The concern may have been caused by module connections. ADDRESS the root cause of any connector or pin issues.
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