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P238D
Water in Fuel Sensor B Circuit High
Generic · engine
Data confidence
65%
The control module detected that the signal in the Water in Fuel Sensor B circuit stayed above the expected operating range.
TuningBot DTC Database · v4.38.5
P238D Water in Fuel Sensor B Circuit High
Generic (OBD-II) interpretation in the TuningBot DTC database.
What P238D means
Related and nearby codes
How to read P238D
P
Powertrain: engine, transmission and driveline systems.
2
Generic SAE-standard code: same meaning on every make.
38D
Specific fault index within the subsystem.
Frequently asked questions about P238D
What does P238D mean?
Water in Fuel Sensor B Circuit High. The control module detected that the signal in the Water in Fuel Sensor B circuit stayed above the expected operating range.
Is P238D generic or manufacturer-specific?
P238D is a generic OBD-II code: it has the same meaning on every make and model that follows the SAE standard.
Can TuningBot remove P238D 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: Diagnostic Strategy and DTC Logic