TuningBot DTC Database · v4.37.15
Manufacturer-specific interpretation for Kia. All interpretations of P1603
The control module registered the fault condition described as "CAN Communication Bus Error". This is the manufacturer-specific definition used by Kia.
Powertrain: engine, transmission and driveline systems.
Manufacturer-defined range: the meaning can differ between brands.
Specific fault index within the subsystem.
CAN Communication Bus Error. The control module registered the fault condition described as "CAN Communication Bus Error". This is the manufacturer-specific definition used by Kia.
P1603 is a manufacturer-specific code. In this database it is documented for: Kia. The same number can mean something different on other brands.
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.
Understand the system behind this code: Diagnostic Strategy and DTC Logic
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