Hours: 07–23 daily

TuningBot DTC Database · v4.37.14

U3003 Ford - Diagnostic Trouble Code (3 variants)

Manufacturer-specific interpretation for Ford. All interpretations of U3003

U · NetworkSteeringUDS

What U3003 means

U3003:16
Battery Voltage — Circuit Voltage Below Threshold Ford · steering Data confidence 96%

The Ford Explorer PSCM detected battery voltage with failure type 16, circuit voltage below threshold. This interpretation is specific to the documented EPAS controller and model years.

Recommended checks

  • Perform a full module scan
  • Verify battery voltage and PSCM power supplies
  • Inspect EPAS wiring and connectors
  • Review PSCM snapshot and extended data
  • Follow the Ford EPAS diagnostic procedure
Applies to Ford Explorer 2011-2012 Power Steering Control Module (PSCM)|Electric Power Assisted Steering (EPAS)
U3003:17
Battery Voltage — Circuit Voltage Above Threshold Ford · steering Data confidence 96%

The Ford Explorer PSCM detected battery voltage with failure type 17, circuit voltage above threshold. This interpretation is specific to the documented EPAS controller and model years.

Recommended checks

  • Perform a full module scan
  • Verify battery voltage and PSCM power supplies
  • Inspect EPAS wiring and connectors
  • Review PSCM snapshot and extended data
  • Follow the Ford EPAS diagnostic procedure
Applies to Ford Explorer 2011-2012 Power Steering Control Module (PSCM)|Electric Power Assisted Steering (EPAS)
U3003:68
Battery Voltage — Event Information Ford · steering Data confidence 96%

The Ford Explorer PSCM detected battery voltage with failure type 68, event information. This interpretation is specific to the documented EPAS controller and model years.

Recommended checks

  • Perform a full module scan
  • Verify battery voltage and PSCM power supplies
  • Inspect EPAS wiring and connectors
  • Review PSCM snapshot and extended data
  • Follow the Ford EPAS diagnostic procedure
Applies to Ford Explorer 2011-2012 Power Steering Control Module (PSCM)|Electric Power Assisted Steering (EPAS)

Related and nearby codes

How to read U3003

U

Network: communication between control units.

3

Generic SAE-standard code: same meaning on every make.

003

Specific fault index within the subsystem.

Frequently asked questions about U3003

What does U3003 mean?

Diagnostic Trouble Code (3 variants). The Ford Explorer PSCM detected battery voltage with failure type 16, circuit voltage below threshold. This interpretation is specific to the documented EPAS controller and model years.

Is U3003 generic or manufacturer-specific?

U3003 exists both as a generic OBD-II code (same meaning on every make) and with 1 manufacturer-specific interpretation(s): Ford. Always read it in the context of your vehicle.

Can TuningBot remove U3003 at file level?

Not guaranteed. Powertrain (P) codes can be reliably disabled in the ECU calibration, but body, chassis and network codes depend on the specific control unit and how the fault is implemented - some can be handled, some cannot. Ask for a quote and our engineers will check your file and tell you, free of charge, whether U3003 is removable in your case.

Other file services

ECU tuningStage 1 dyno results for Ford engines See the results →

← Search the full DTC database