Generic SAE-standard code: same meaning on every make.
426
Specific fault index within the subsystem.
Frequently asked questions about U0426
What does U0426 mean?
Invalid data received - immobilizer. The control module registered the fault condition described as "Invalid data received - immobilizer".
Is U0426 generic or manufacturer-specific?
U0426 is a generic OBD-II code: it has the same meaning on every make and model that follows the SAE standard.
Can TuningBot remove U0426 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 U0426 is removable in your case.
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