Pinpoint Test AY: DTC U3003:17 (GPSM)

WARNING: This page is about a different car, the 2011 Mercury Milan, 2011 Lincoln MKZ, and 2011 Ford Fusion. However, it is still accessible from the selected car via links, so may be relevant.

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

AY1 CHECK FOR HIGH VOLTAGE DTCs SET IN OTHER MODULES
- Ignition ON.
- Retrieve all continuous DTCs from all modules.
- Is DTC B1317, B1676, or B0563 (PCM), or U3003:17 set in more than one module?
- Yes : REFER to CHARGING SYSTEM -- FUSION, MILAN & MKZ article to diagnose an overcharging condition.
- No : GO to AY2.
AY2 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 : REFER to CHARGING SYSTEM -- FUSION, MILAN & MKZ article to diagnose an overcharging condition.
- No : GO to AY3.
AY3 RECHECK FOR DTC U3003:17
- Turn the engine off.
- Ignition ON.
- Clear the GPSM DTCs.
- Repeat the GPSM self-test.
- Is DTC U3003:17 present?
- Yes : INSTALL a new GPSM. REFER to GLOBAL POSITIONING SYSTEM MODULE (GPSM) - FUSION, MILAN or GLOBAL POSITIONING SYSTEM MODULE (GPSM) - MKZ in this service information. TEST this system for normal operation.
- 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.