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TuningBot DTC Database · v4.37.15

P1121 Suzuki - Throttle Position Sensor Intermittent High Voltage

Manufacturer-specific interpretation for Suzuki. All interpretations of P1121

P · PowertrainEngineOBD2

What P1121 means

P1121
Throttle Position Sensor Intermittent High Voltage Suzuki · engine Data confidence 62%

The control module detected a fault associated with the Throttle Position Sensor Intermittent High Voltage circuit or function; the stored code identifies the affected component rather than a single failure mode. This is the manufacturer-specific definition used by Suzuki.

Related and nearby codes

How to read P1121

P

Powertrain: engine, transmission and driveline systems.

1

Manufacturer-defined range: the meaning can differ between brands.

121

Specific fault index within the subsystem.

Frequently asked questions about P1121

What does P1121 mean?

Throttle Position Sensor Intermittent High Voltage. The control module detected a fault associated with the Throttle Position Sensor Intermittent High Voltage circuit or function; the stored code identifies the affected component rather than a single failure mode. This is the manufacturer-specific definition used by Suzuki.

Is P1121 generic or manufacturer-specific?

P1121 is a manufacturer-specific code. In this database it is documented for: Suzuki. The same number can mean something different on other brands.

Can TuningBot remove P1121 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

ECU tuningStage 1 dyno results for Suzuki engines See the results →

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