Yes | CHECK OASIS for any applicable Technical Service Bulletins (TSBs). If a TSB exists for this concern, DISCONTINUE this test and FOLLOW TSB instructions. If no Technical Service Bulletins (TSBs) address this concern, INSTALL a new HUD module. REFER to: Head Up Display (HUD) Module (419-03C Collision Warning and Collision Avoidance System, Removal and Installation). |
|---|---|
No | The system is operating correctly at this time. The concern may have been caused by module connections. ADDRESS the root cause of any connector or pin issues. |
U3003:1C
Refer to Wiring Diagrams Cell 136 for schematic and connector information.
Normal Operation and Fault Conditions
DTC Fault Trigger Conditions
DTC | Description | Fault Trigger Conditions |
|---|---|---|
U3003:1C Battery Voltage: Circuit Voltage Out of Range | Sets in continuous memory if the HUD module detects battery voltage outside the valid range. |
Possible Sources
Wiring, terminals or connectors Battery Generator HUD module
PINPOINT TEST H : U3003:1C
NOTE: DTC U3003:1C may be stored in the module memory due to past battery charging or vehicle jump starting events.
H1 CHECK FOR BATTERY VOLTAGE DTCS SET IN OTHER MODULES
Ignition ON. Retrieve the Continuous Memory Diagnostic Trouble Codes (CMDTCs) from all modules.
Do any charging system Diagnostic Trouble Codes (DTCs) set in more than one module?
Yes | For 2.3L, REFER to: Charging System - 2.3L EcoBoost (201kW/273PS) (414-00 Charging System - General Information, Diagnosis and Testing). For 3.7L, REFER to: Charging System - 3.7L Duratec (227kW/301PS) (414-00 Charging System - General Information, Diagnosis and Testing). For 5.0L, REFER to: Charging System - 5.0L 32V Ti-VCT (414-00 Charging System - General Information, Diagnosis and Testing). |
|---|---|
No | GO to H2 |
H2 CHECK THE BATTERY VOLTAGE
2016 Mustang workshop publication supplied to Mustang Atlas. Original technical text and illustrations; HTML formatting by Mustang Atlas. Source page numbering is retained for traceability. Follow the configuration, revision, warnings, and cross-references in the material. About this edition.