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TuningBot DTC Database · v4.37.15

P15A3 Diagnostic Trouble Code (3 interpretations)

3 manufacturer-specific interpretations across 3 manufacturers in the TuningBot DTC database.

P · PowertrainEngineOBD2
Brand pages:BMWHondaPSA

BMW

1 interpretation
P15A3
WT overload protection, control motor temperature - high input, bank 2 BMW · engine Data confidence 62%

The control module detected that the WT overload protection, control motor temperature signal stayed above the expected range. This is the manufacturer-specific definition used by BMW.

Possible causes

  • Mechanical fault
  • servo motor short circuit
  • servo motor shorted to ground

Honda

1 interpretation
P15A3
Motor driver module - voltage signal circuit - high input Honda · engine Data confidence 62%

The control module detected that the Motor driver module - voltage signal signal stayed above the expected range. This is the manufacturer-specific definition used by Honda.

Possible causes

  • Wiring
  • voltage converter module
  • motor power inverter module
  • motor control module (MCM)

PSA

1 interpretation
P15A3
Oil pressure regulation solenoid valve control : Short circuit to + battery PSA · engine Data confidence 72%

The control module detected the fault condition "Short circuit to + battery" for the Oil pressure regulation solenoid valve control. Documented for the Bosch MED 17.4.x engine ECU (EP6 THP family) on Peugeot applications; the same PSA control units are also fitted to Citroën models.

Applies to Peugeot Bosch MED 17.4.x engine ECU (EP6 THP family)

Related and nearby codes

How to read P15A3

P

Powertrain: engine, transmission and driveline systems.

1

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

5A3

Specific fault index within the subsystem.

Frequently asked questions about P15A3

What does P15A3 mean?

Diagnostic Trouble Code (3 interpretations). The control module detected that the WT overload protection, control motor temperature signal stayed above the expected range. This is the manufacturer-specific definition used by BMW.

Is P15A3 generic or manufacturer-specific?

P15A3 is a manufacturer-specific code. In this database it is documented for: BMW, Honda, PSA. The same number can mean something different on other brands.

Can TuningBot remove P15A3 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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