What does P0925 Mean? The Transmission Control Module (TCM) monitors the Gear Shift Reverse Actuator. The TCM sets the OBDII code when the Gear Shift Reverse Actuator is not to factory specifications. engine code P0925P0925 fixobd P0925dtc P0925obd code P0925obd2 P0925P0925 car codediagnostic code P0925car code P0925check engine code P0925fehlercode P0925P0925 fiatcodigo P0925codigo falla P0925P0925 kody b??dówcodigo de falla P0925 What are the common causes of P0925 ? A large air leak at or near the number one oxygen sensor would also cause a lean mixture. Faulty IMRC actuator relay (if equipped) Some aftermarket accessories and performance modifications How do you troubleshoot P0925 ? Some repairs for the P0925 code include: Replacement of the gear shift reverse actuator Adjustment or replacement of the reverse gear guide rail or shift shaft Replacement of electrical components in the system Replacement of the PCM, ECM, or transmission control module Searches related to P0925 Code - Gear Shift Reverse Actuator Circuit Range/Performance P0925 P0926