Bobcat S550 W5603 Error Code
W5603 Error Code
Mirror Defrost Output Short To Ground is the main cause of W5603 error.W5603 code needs proper lubrication of your transmission's moving parts, it's important to always drive with the right amount of clean fluid. It's good practice to periodically scan over the ground where your truck has been parked and check for signs of fluid leaks.
Tip For S550 Model
It is recommended in cold weather to cycle the glow plugs twice before attempting to start the engine. This will allow for additional heating time for cold weather starting.