Bobcat 325 P21C3 Error Code
P21C3 Error Code
DEF Main Heater Relay Short to Ground is the main cause of P21C3 error.P21C3 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 325 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.