Pinpoint Test P: DTC (Diagnostic Trouble Code) U3003:17
- Refer to MODULE COMMUNICATION NETWORK
for schematic and connector information.
Normal Operation and Fault Conditions
REFER to: Lane Keeping System - System Operation and Component Description .
DTC Fault Trigger Conditions
DTC Description Fault Trigger Condition IPMA U3003:17 Battery Voltage: Circuit Voltage Above Threshold Sets as a continuous memory and on-demand DTC if the IPMA detects high battery voltage above 16.5 volts. Possible Sources
- Battery
- Charging system concern
- IPMA
- P1 CHECK FOR DTC (DIAGNOSTIC TROUBLE CODE) U3003:17 SET IN OTHER MODULESNOTE: DTC U3003:17 may be stored in the module memory due to past battery charging or vehicle jump starting events.
- Ignition ON.
- Using a diagnostic scan tool, clear the Diagnostic Trouble Codes (DTCs). Repeat the IPMA module self-test.
Is DTC U3003:17 still present?
Yes REFER to: Charging System - 2.3L EcoBoost (199kW/270PS) . REFER to: Charging System - 2.7L EcoBoost (238kW/324PS) or CHARGING SYSTEM - 3.0L ECOBOOST (299KW/406PS) (DD) . No GO to P2 - P2 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 - 2.3L EcoBoost (199kW/270PS) . REFER to: Charging System - 2.7L EcoBoost (238kW/324PS) or CHARGING SYSTEM - 3.0L ECOBOOST (299KW/406PS) (DD) . No GO to P3 - P3 RECHECK FOR DTC (DIAGNOSTIC TROUBLE CODE) U3003:17
- Turn the engine off.
- Ignition ON.
- Using a diagnostic scan tool, clear all Continuous Memory Diagnostic Trouble Codes (CMDTCs).
- Using the diagnostic scan tool, perform the IPMA self-test.
Is DTC U3003:17 still present?
Yes INSTALL a new IPMA. REFER to: Image Processing Module A (IPMA) . 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.