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TuningBot DTC Database · v4.37.15

P1903 Diagnostic Trouble Code (3 interpretations)

3 manufacturer-specific interpretations across 2 manufacturers in the TuningBot DTC database.

P · PowertrainTransmissionOBD2
Brand pages:FordVAG

Ford

1 interpretation
P1903
Kickdown Solenoid Circuit Low Voltage Ford · transmission Data confidence 80%

The control module detected that the signal in the Kickdown Solenoid circuit stayed below the expected operating range. This is the manufacturer-specific definition used by Ford.

VAG

2 interpretations
P1903
Engine coolant hydraulic blower motor solenoid - short to positive VAG · climate_control Data confidence 62%

The control module detected a short circuit to battery voltage in the Engine coolant hydraulic blower motor solenoid circuit. This is the manufacturer-specific definition used by Audi.

Possible causes

  • Wiring short to positive
  • engine coolant hydraulic blower motor solenoid
Applies to Audi
P1903
Engine Coolant Hydraulic Blower Motor Solenoid Short To Positive VAG · climate_control Data confidence 62%

The control module detected a short circuit to battery voltage in the Engine Coolant Hydraulic Blower Motor Solenoid circuit. This is the manufacturer-specific definition used by Volkswagen.

Applies to Volkswagen

Related and nearby codes

How to read P1903

P

Powertrain: engine, transmission and driveline systems.

1

Manufacturer-defined range: the meaning can differ between brands.

903

Specific fault index within the subsystem.

Frequently asked questions about P1903

What does P1903 mean?

Diagnostic Trouble Code (3 interpretations). The control module detected that the signal in the Kickdown Solenoid circuit stayed below the expected operating range. This is the manufacturer-specific definition used by Ford.

Is P1903 generic or manufacturer-specific?

P1903 is a manufacturer-specific code. In this database it is documented for: Ford, VAG. The same number can mean something different on other brands.

Can TuningBot remove P1903 at file level?

If the fault logic lives in the ECU calibration, yes: our DTC Removal file service disables the specific fault entry. Checksum correction is not included: it is a separate, optional service. Not sure whether your case qualifies? Request a free assessment and our engineers will check your ECU file.

Other file services

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