P1078 Diagnostic Trouble Code (7 interpretations)

The control module judged the Fuel trim (FT), Bank 1 behaviour implausible for the current operating conditions. This is the manufacturer-specific definition used by BMW.

The control module judged the EVAP canister purge system behaviour implausible for the current operating conditions. This is the manufacturer-specific definition used by Dodge.

The control module registered the fault condition described as "Intake manifold air control valve - stuck in low RPM position". This is the manufacturer-specific definition used by Honda.

The control module detected a fault associated with the Valvetronics Actuator Motor Overload circuit or function; the stored code identifies the affected component rather than a single failure mode. This is the manufacturer-specific definition used by MINI.

The control module detected improper operation of the Exhaust valve timing control position sensor, bank 1 circuit. This is the manufacturer-specific definition used by Nissan.

The control module detected that the Fault in the control of the variable valve lift motor was above its expected limit. 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 that the Fault in the control of the variable valve lift motor was above its expected limit. 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.