What does P0816 Mean? The Transmission Control Module (TCM) monitors the Downshift Switch Circuit signal. The TCM sets the OBDII code when the Downshift Switch Circuit signal is not to factory specifications. engine code P0816P0816 fixobd P0816dtc P0816obd code P0816obd2 P0816P0816 car codediagnostic code P0816car code P0816check engine code P0816fehlercode P0816P0816 fiatcodigo P0816codigo falla P0816P0816 kody b??dówcodigo de falla P0816 What are the common causes of P0816 ? The most common cause for this type of failure is due to liquids spilled on the upshift/downshift switch. Open or shorted electrical wiring, damaged, corroded, or disconnected wiring or connectors are also a viable possibility. How do you troubleshoot P0816 ? There are currently two main types of cylinder deactivation used today, depending on the type of engine. P0816 code for the pushrod design which uses solenoids to alter the oil pressure delivered to the lifters. In their collapsed state, the lifters are unable to elevate their companion pushrods under the valve rocker arms, resulting in valves that cannot be actuated and remain closed. Searches related to P0816 Code - Downshift Switch Circuit P0816 P0817
