P0843 MERCEDES-BENZ – Transmission Fluid Pressure Sensor/Switch ‘A’ Circuit High

 

P0843: DIY Repairing Video Tutorial

https://youtu.be/49utnvNjGi4

Check out nonda Auto DIY Center for more engine error code repairing videos.
https://www.youtube.com/playlist?list=PL-Lyko0O0oxHe1AGvzwAz-wokJPXAtW97

 

P0843 MERCEDES-BENZ Possible Symptoms

  Engine Light ON (or Service Engine Soon Warning Light)  

P0843 MERCEDES-BENZ Possible Causes

  Low transmission fluid level,Dirty transmission fluid,Faulty Transmission Fluid Pressure Sensor/Switch ‘A’,Transmission Fluid Pressure Sensor/Switch ‘A’ harness or connectors,Transmission Fluid Pressure Sensor/Switch ‘A’ circuit is open or shorted,Transmission internal mechanical problem  

P0843 MERCEDES-BENZ Description

  The Transmission Control Module (TCM) monitors the Transmission Fluid Pressure Sensor/Switch signal. The TCM sets the OBDII code when the Transmission Fluid Pressure Sensor/Switch is not to factory specifications.