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TuningBot DTC Database · v4.37.15

P2174 Throttle Actuator Control System - Sudden Low Air Flow Detected

Generic (OBD-II) interpretation in the TuningBot DTC database.

P · PowertrainEngineOBD2

What P2174 means

P2174
Throttle Actuator Control System - Sudden Low Air Flow Detected Generic · engine Data confidence 85%

The control module detected a fault associated with the Throttle Actuator Control System - Sudden Low Air Flow Detected circuit or function; the stored code identifies the affected component rather than a single failure mode.

Possible causes

  • Intake system
  • throttle body

Related and nearby codes

How to read P2174

P

Powertrain: engine, transmission and driveline systems.

2

Generic SAE-standard code: same meaning on every make.

174

Specific fault index within the subsystem.

Frequently asked questions about P2174

What does P2174 mean?

Throttle Actuator Control System - Sudden Low Air Flow Detected. The control module detected a fault associated with the Throttle Actuator Control System - Sudden Low Air Flow Detected circuit or function; the stored code identifies the affected component rather than a single failure mode.

Is P2174 generic or manufacturer-specific?

P2174 is a generic OBD-II code: it has the same meaning on every make and model that follows the SAE standard.

Can TuningBot remove P2174 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

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