The control module detected a short circuit to ground in the Oil pressure regulation solenoid valve control circuit. 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.
TuningBot DTC Database · v4.37.15
P15A4 PSA - Oil pressure regulation solenoid valve control : Short circuit to earth or open circuit
Manufacturer-specific interpretation for PSA. All interpretations of P15A4
What P15A4 means
Related and nearby codes
How to read P15A4
Powertrain: engine, transmission and driveline systems.
Manufacturer-defined range: the meaning can differ between brands.
Specific fault index within the subsystem.
Frequently asked questions about P15A4
What does P15A4 mean?
Oil pressure regulation solenoid valve control : Short circuit to earth or open circuit. The control module detected a short circuit to ground in the Oil pressure regulation solenoid valve control circuit. 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.
Is P15A4 generic or manufacturer-specific?
P15A4 is a manufacturer-specific code. In this database it is documented for: PSA. The same number can mean something different on other brands.
Can TuningBot remove P15A4 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
Understand the system behind this code: Diagnostic Strategy and DTC Logic
