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Pinpoint Test C : DTC U3003:17

NOTE: DTC U3003:17 may be stored in the module memory due to previous battery charging or vehicle jump starting events.

  1. C1 CHECK FOR DTC B1317, B1676, P0563 OR U3003:17 SET IN OTHER MODULES

    • Ignition ON.
    • Using a diagnostic scan tool, retrieve the CMDTCs from all modules.

    Is DTC B1317, B1676, P0563 (PCM) or U3003:17 set in more than one module? 

    Yes  REFER to Charging System , Symptom Chart: Charging System to diagnose an overcharging condition.
    No  GO to  C2.

  2. C2 CHECK THE BATTERY VOLTAGE

    • Turn off all interior/exterior lights and accessories.
    • Start and run the engine at approximately 2, 000 Revolutions Per Minute (RPM) for 3 minutes while monitoring the battery voltage.

    Does the battery voltage rise to 15.5 volts or higher? 

    Yes  REFER to Charging System , Symptom Chart: Charging System to diagnose an overcharging condition.
    No  GO to  C3.

  3. C3 RECHECK FOR DTCs U3003:17

    • Ignition OFF.
    • Ignition ON.
    • Using a diagnostic scan tool, clear the BCM CMDTCs.
    • Carry out the BCM self-test.

    Is DTC U3003:17 present? 

    Yes  INSTALL a new BCM. REFER to Body Control Module (BCM) .
    No  The system is operating normally at this time. The DTC may have been set previously during battery charging or while jump starting the vehicle.
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