Pinpoint Test Z : U3003:17
NOTE:
DTC U3003:17 may be stored in the module memory due to past battery charging or vehicle jump starting events.
- Z1 CHECK FOR OVERCHARGING DIAGNOSTIC TROUBLE CODES (DTCS) SET IN OTHER MODULES
- Ignition ON.
- Using a diagnostic scan tool, perform self-test on all modules.
- Retrieve the Continuous Memory Diagnostic Trouble Codes (CMDTCs) from all modules.
Is DTC B1317, B1676, P0563 (PCM), U3003:17 or U3006:17 set in more than one module?
Yes DIAGNOSE the overcharging condition. Refer to CHARGING SYSTEM or to the appropriate Battery and Charging System article for the procedure. No GO to Z2 - Z2 CHECK THE BATTERY VOLTAGE
- Turn off all interior/exterior lights and accessories.
- Start and run the engine at approximately 2, 000 rpm for 3 minutes while monitoring the battery voltage.
Does the battery voltage rise to 15.5 volts or higher?
Yes DIAGNOSE the overcharging condition. Refer to CHARGING SYSTEM or to the appropriate Battery and Charging System article for the procedure. No GO to Z3 - Z3 RECHECK FOR DTC (DIAGNOSTIC TROUBLE CODE) U3003:17
- Ignition OFF.
- Ignition ON.
- Using a diagnostic scan tool, clear the Diagnostic Trouble Codes (DTCs).
- Wait 10 seconds.
- Using a diagnostic scan tool, perform the RHVAC control module self-test.
Is DTC U3003:17 present?
Yes CHECK OASIS for any applicable service articles: TSB, GSB, SSM or FSA. If a service article exists for this concern, DISCONTINUE this test and FOLLOW the service article instructions. If no service articles address this concern, INSTALL a new RHVAC control module. REFER to REAR HEATING, VENTILATION AND AIR CONDITIONING (RHVAC) CONTROL MODULE No The system is operating correctly at this time. The DTC may have been set previously during battery charging or while jump starting the vehicle.