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TuningBot DTC Database · v4.37.14

P0074 Ambient Air Temperature Sensor Circuit Intermittent/Erratic

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

P · PowertrainEngineOBD2

What P0074 means

P0074
Ambient Air Temperature Sensor Circuit Intermittent/Erratic Generic · engine Data confidence 90%

The control module detected an unstable or intermittent signal in the Ambient Air Temperature circuit.

Possible causes

  • Wiring
  • poor connection
  • outside air temperature sensor
  • ECM

Related and nearby codes

How to read P0074

P

Powertrain: engine, transmission and driveline systems.

0

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

074

Specific fault index within the subsystem.

Frequently asked questions about P0074

What does P0074 mean?

Ambient Air Temperature Sensor Circuit Intermittent/Erratic. The control module detected an unstable or intermittent signal in the Ambient Air Temperature circuit.

Is P0074 generic or manufacturer-specific?

P0074 is a generic OBD-II code: it has the same meaning on every make and model that follows the SAE standard.

Can TuningBot remove P0074 at file level?

If the fault logic lives in the ECU calibration, yes: our DTC Removal file service disables the specific fault entry and, where the ECU needs it, corrects the checksum too. 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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