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TuningBot DTC Database · v4.37.15

P1025 PSA - Fault in the programming of the variable valve lift system : Programming failure

Manufacturer-specific interpretation for PSA. All interpretations of P1025

P · PowertrainEngineOBD2

What P1025 means

P1025
Fault in the programming of the variable valve lift system : Programming failure PSA · engine Data confidence 72%

The control module detected an internal control-unit fault (Programming failure). 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)
P1025
Fault in the programming of the variable valve lift system : Programming failure PSA · engine Data confidence 72%

The control module detected an internal control-unit fault (Programming failure). Documented for the Bosch MEV17.4 engine ECU (EP6 1.6 VTi) on Peugeot applications; the same PSA control units are also fitted to Citroën models.

Applies to Peugeot Bosch MEV17.4 engine ECU (EP6 1.6 VTi)

Related and nearby codes

How to read P1025

P

Powertrain: engine, transmission and driveline systems.

1

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

025

Specific fault index within the subsystem.

Frequently asked questions about P1025

What does P1025 mean?

Fault in the programming of the variable valve lift system : Programming failure. The control module detected an internal control-unit fault (Programming failure). 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 P1025 generic or manufacturer-specific?

P1025 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 P1025 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 PSA engines See the results →

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