The control module registered the fault condition described as "Immobilizer - Antenna Error". This is the manufacturer-specific definition used by Hyundai.
TuningBot DTC Database · v4.37.15
P1802 Diagnostic Trouble Code (2 interpretations)
2 manufacturer-specific interpretations across 2 manufacturers in the TuningBot DTC database.
Hyundai
1 interpretation
Kia
1 interpretationThe control module registered the fault condition described as "Immobilizer Antenna Error". This is the manufacturer-specific definition used by Kia.
Related and nearby codes
How to read P1802
Powertrain: engine, transmission and driveline systems.
Manufacturer-defined range: the meaning can differ between brands.
Specific fault index within the subsystem.
Frequently asked questions about P1802
What does P1802 mean?
Diagnostic Trouble Code (2 interpretations). The control module registered the fault condition described as "Immobilizer - Antenna Error". This is the manufacturer-specific definition used by Hyundai.
Is P1802 generic or manufacturer-specific?
P1802 is a manufacturer-specific code. In this database it is documented for: Hyundai, Kia. The same number can mean something different on other brands.
Can TuningBot remove P1802 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
Understand the system behind this code: Immobilizer Systems and ECU Pairing
