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TuningBot DTC Database · v4.37.15

P1709 Diagnostic Trouble Code (4 interpretations)

4 manufacturer-specific interpretations across 4 manufacturers in the TuningBot DTC database.

P · PowertrainEngineOBD2
Brand pages:FordPSASuzukiVolvo

Ford

1 interpretation
P1709
Park or Neutral Position Switch Out of Self - Test Range Ford · engine Data confidence 80%

The control module detected a fault associated with the Park or Neutral Position Switch Out of Self - Test Range circuit or function; the stored code identifies the affected component rather than a single failure mode. This is the manufacturer-specific definition used by Ford.

Possible causes

  • Wiring
  • PNP switch/CPP switch
  • ECM

Recommended checks

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

PSA

1 interpretation
P1709
Gear lever signal fault : Open circuit or short circuit to the plus PSA · engine Data confidence 72%

The control module detected an interruption (open circuit) in the Gear lever signal fault circuit. Documented for the Automated manual gearbox electric control ECU on Peugeot applications; the same PSA control units are also fitted to Citroën models.

Applies to Peugeot Automated manual gearbox electric control ECU

Suzuki

1 interpretation
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

Volvo

1 interpretation
P1709
Park/neutral position (PNP) switch - range/performance problem Volvo · engine Data confidence 62%

The control module judged the Park/neutral position (PNP) switch behaviour implausible for the current operating conditions. This is the manufacturer-specific definition used by Volvo.

Possible causes

  • Wiring
  • PNP switch adjustment
  • PNP switch

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?

Diagnostic Trouble Code (4 interpretations). The control module detected a fault associated with the Park or Neutral Position Switch Out of Self - Test Range circuit or function; the stored code identifies the affected component rather than a single failure mode. This is the manufacturer-specific definition used by Ford.

Is P1709 generic or manufacturer-specific?

P1709 is a manufacturer-specific code. In this database it is documented for: Ford, PSA, Suzuki, Volvo. 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 tuningDyno-tested results by model and engine See the results →

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