P1025 Diagnostic Trouble Code (8 interpretations)

The control module detected a fault associated with the Fuel Control Mixture Rich Bank 2 Sensor 1 circuit or function; the stored code identifies the affected component rather than a single failure mode. This is the manufacturer-specific definition used by BMW.

The control module detected that the signal in the Ignition coil, 6 - secondary circuit stayed above the expected operating range. This is the manufacturer-specific definition used by Dodge.

The control module detected a fault associated with the Valve position control circuit - valve sticking off circuit or function; the stored code identifies the affected component rather than a single failure mode. This is the manufacturer-specific definition used by Honda.

The control module detected improper operation of the Valve timing control valve, exhaust circuit. This is the manufacturer-specific definition used by Mitsubishi.

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.

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.

The control module registered the fault condition described as "Fuel pressure control valve - mechanical fault". This is the manufacturer-specific definition used by Audi.

The control module detected improper operation of the Fuel Pressure Regulation Valve (N276): Mechanical circuit. This is the manufacturer-specific definition used by Volkswagen. Volkswagen Group tools also report it as fault code 17433. Documented across Volkswagen Group applications (Audi, SEAT and Škoda included).