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TuningBot DTC Database · v4.37.15

P1503 Kia - Cruise control master switch - malfunction

Manufacturer-specific interpretation for Kia. All interpretations of P1503

P · PowertrainDriver_assistanceOBD2

What P1503 means

P1503
Cruise control master switch - malfunction Kia · driver_assistance Data confidence 62%

The control module detected improper operation of the Cruise control master switch. This is the manufacturer-specific definition used by Kia.

Possible causes

  • Wiring
  • cruise control master switch
  • ETS
  • ECM

Related and nearby codes

How to read P1503

P

Powertrain: engine, transmission and driveline systems.

1

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

503

Specific fault index within the subsystem.

Frequently asked questions about P1503

What does P1503 mean?

Cruise control master switch - malfunction. The control module detected improper operation of the Cruise control master switch. This is the manufacturer-specific definition used by Kia.

Is P1503 generic or manufacturer-specific?

P1503 is a manufacturer-specific code. In this database it is documented for: Kia. The same number can mean something different on other brands.

Can TuningBot remove P1503 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

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

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