P0221Throttle/Pedal Position Sensor/Switch B Circuit Range/Performance Problem
Generic (OBD-II) interpretation in the TuningBot DTC database.
P · PowertrainEngineOBD2
What P0221 means
P0221
Throttle/Pedal Position Sensor/Switch B Circuit Range/Performance Problem
Generic · engine
Data confidence90%
The control module judged the Throttle/Pedal Position Sensor/Switch B signal implausible: it stayed inside electrical limits but did not match the value expected for the current operating conditions.
Powertrain: engine, transmission and driveline systems.
0
Generic SAE-standard code: same meaning on every make.
221
Specific fault index within the subsystem.
Frequently asked questions about P0221
What does P0221 mean?
Throttle/Pedal Position Sensor/Switch B Circuit Range/Performance Problem. The control module judged the Throttle/Pedal Position Sensor/Switch B signal implausible: it stayed inside electrical limits but did not match the value expected for the current operating conditions.
Is P0221 generic or manufacturer-specific?
P0221 is a generic OBD-II code: it has the same meaning on every make and model that follows the SAE standard.
Can TuningBot remove P0221 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.