Fuel rail pressure sensor A signal plausibility failure
Lexus · fuel
Data confidence99%
The cited OEM bulletin documents P0190:64 for Lexus in the stated vehicle and controller context. It identifies fuel rail pressure sensor a signal plausibility failure; the bulletin-specific condition must not be generalized to other platforms or modules.
Symptoms
Malfunction indicator lamp illuminated
Possible causes
ECM logic addressed by a revised calibration
Recommended checks
Perform a full module scan
Review freeze-frame and occurrence data
Compare commanded and measured values
Check applicable OEM service information
Applies to2022-2025 Lexus NX 450h+|2024-2025 RX 450h+|pre-production-change VINs listed in bulletinEngine Control Module (ECM / PCM)
Powertrain: engine, transmission and driveline systems.
0
Generic SAE-standard code: same meaning on every make.
190
Specific fault index within the subsystem.
Frequently asked questions about P0190
What does P0190 mean?
Fuel rail pressure sensor A signal plausibility failure. The cited OEM bulletin documents P0190:64 for Lexus in the stated vehicle and controller context. It identifies fuel rail pressure sensor a signal plausibility failure; the bulletin-specific condition must not be generalized to other platforms or modules.
Is P0190 generic or manufacturer-specific?
P0190 exists both as a generic OBD-II code (same meaning on every make) and with 1 manufacturer-specific interpretation(s): Lexus. Always read it in the context of your vehicle.
Can TuningBot remove P0190 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.
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