Bobcat S330 M1503 Error Code
M1503 Error Code
Traction Lock Pull Output Error Off is the main cause of M1503 error.M1503 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 S330 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.