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TuningBot DTC Database · v4.37.15

P1709 Suzuki - AT - engine coolant temperature (ECT) sensor/barometric pressure (BARO) sensor - signal malfunction

Manufacturer-specific interpretation for Suzuki. All interpretations of P1709

P · PowertrainEngineOBD2

What P1709 means

P1709
AT - engine coolant temperature (ECT) sensor/barometric pressure (BARO) sensor - signal malfunction Suzuki · engine Data confidence 62%

The control module detected improper operation of the AT - engine coolant temperature (ECT) sensor/barometric pressure (BARO) sensor. This is the manufacturer-specific definition used by Suzuki.

Possible causes

  • Wiring
  • ECT sensor
  • BARO sensor
  • TCM
  • ECM

Related and nearby codes

How to read P1709

P

Powertrain: engine, transmission and driveline systems.

1

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

709

Specific fault index within the subsystem.

Frequently asked questions about P1709

What does P1709 mean?

AT - engine coolant temperature (ECT) sensor/barometric pressure (BARO) sensor - signal malfunction. The control module detected improper operation of the AT - engine coolant temperature (ECT) sensor/barometric pressure (BARO) sensor. This is the manufacturer-specific definition used by Suzuki.

Is P1709 generic or manufacturer-specific?

P1709 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 P1709 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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