Reductant Heater Coolant Control Valve Stuck Closed

Where it lives

For P241E, the part to look at first is the valve named here.

What to check first

For P241E, read the stored codes from every module, not just the engine, because related codes often name the same fault more precisely.

Check these first

• P241E: Carbon buildup or blockage in the EGR, EVAP, or air injection system
• P241E: Failed solenoid, valve, or pump in the auxiliary emissions circuit
• P241E: Wiring, connector, or fuse fault for the emission component
• P241E: Small leaks in vacuum or EVAP lines
• P241E: Failing catalytic converter or oxygen sensor reporting incorrectly

What to do next

P241E is a fault in the auxiliary emission controls system. The steps below are general, so what actually failed on your vehicle may not be what P241E names.

1. P241E: Read related codes and freeze frame with an OBD-II scanner
2. P241E: Inspect hoses, valves, and solenoids for leaks, cracks, or carbon buildup
3. P241E: Smoke test the EVAP or intake system if a leak is suspected
4. P241E: Command components on/off with a scan tool and watch them respond
5. P241E: Clean or replace the blocked or failed component

Look up another code