P0541 OBD II Trouble Code Intake Air Heater A Circuit Low

How to diagnose, repair, and info on symptoms and causes of a P0541 engine code which is an low circuit condition on diesel vehicles with an air intake heater. Also includes links to relevant forum discussions on the code.

Symptoms of P0541 OBD II Trouble Code

Common Causes of P0541 OBD II Trouble Code

Severity of P0541 OBD II Trouble Code