What does P0855 Mean? The Transmission Control Module (TCM) monitors the Drive Switch signal. The TCM sets the OBDII code when the Drive Switch is not to factory specifications. engine code P0855P0855 fixobd P0855dtc P0855obd code P0855obd2 P0855P0855 car codediagnostic code P0855car code P0855check engine code P0855fehlercode P0855P0855 fiatcodigo P0855codigo falla P0855P0855 kody b??dówcodigo de falla P0855 What are the common causes of P0855 ? Faulty IMRC actuator/sensor A large vacuum leak would cause a massive amount of un-metered air to enter the intake manifold resulting in an overly lean mixture. An air leak forward of the DPF will change the sensor readings resulting in the code How do you troubleshoot P0855 ? Like the all engines, the car engine system employs specially developed hydraulic lifters (known as switching roller followers) for the P0855 code intake and exhaust valves. The lifters can be collapsed by disengaging an internal locking pin. The locking pin is disengaged using solenoids to alter oil pressure fed into the lifter. Searches related to P0855 Code - Drive Switch Input Circuit High P0855 P0856
