P1842 Code défaut de diagnostic (4 interprétations)

The control module detected that the signal in the 1 - 2 Shift Solenoid circuit stayed below the expected operating range. This is the manufacturer-specific definition used by Chevrolet.

The control module detected that the Throttle position (TP) sensor value was outside the valid range. This is the manufacturer-specific definition used by Opel.

The control module detected an interruption (open circuit) in the Fault circuit. Documented for the MCP 6-speed piloted manual gearbox ECU on Peugeot applications; the same PSA control units are also fitted to Citroën models.

The control module detected a fault associated with the Check DTC Memory Of Instrument Panel ECU circuit or function; the stored code identifies the affected component rather than a single failure mode. This is the manufacturer-specific definition used by Volkswagen.