Pinpoint Test I : DTC U3003:17
NOTE:
DTC U3003:17 may be stored in the module memory due to previous battery charging or vehicle jump starting events.
- I1 CHECK FOR DTC B1317, B1676, P0563 (Powertrain Control Module (PCM)) OR U3003:17 SET IN OTHER MODULES
- Ignition ON.
- Using a scan tool, retrieve the continuous memory DTCs from all modules.
Is DTC B1317, B1676, P0563 (Powertrain Control Module (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 I2. - I2 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 I3. - I3 RECHECK FOR DTCs U3003:17
- Turn the engine off.
- Ignition ON.
- Using a scan tool, clear the continuous memory BCM DTCs.
- Carry out the BCM self-test.
Is DTC U3003:17 present?
Yes INSTALL a new BCM. REFER to Body Control Module (BCM) - With Intelligent Access (IA) or REFER to Body Control Module (BCM) - Without Intelligent Access (IA) . 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.