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TuningBot DTC Database · v4.37.15

P1120 Mazda - Throttle position (TP) sensor - out of range “low”

Manufacturer-specific interpretation for Mazda. All interpretations of P1120

P · PowertrainEngineOBD2

What P1120 means

P1120
Throttle position (TP) sensor - out of range “low” Mazda · engine Data confidence 80%

The control module detected that the Throttle position (TP) value was outside the valid range. This is the manufacturer-specific definition used by Mazda.

Possible causes

  • Wiring
  • TP sensor
  • ECM

Recommended checks

  • Perform a full module scan
  • Review freeze-frame and occurrence data
  • Compare commanded and measured values
  • Check applicable OEM service information

Related and nearby codes

How to read P1120

P

Powertrain: engine, transmission and driveline systems.

1

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

120

Specific fault index within the subsystem.

Frequently asked questions about P1120

What does P1120 mean?

Throttle position (TP) sensor - out of range “low”. The control module detected that the Throttle position (TP) value was outside the valid range. This is the manufacturer-specific definition used by Mazda.

Is P1120 generic or manufacturer-specific?

P1120 is a manufacturer-specific code. In this database it is documented for: Mazda. The same number can mean something different on other brands.

Can TuningBot remove P1120 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 Mazda engines See the results →

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