P2605 OBD II Trouble Code Intake Air Heater B Circuit Open

How to diagnose, repair, and info on symptoms and causes of a P2605 engine code which applies to diesel vehicles with an air intake heater B. This indicates an open circuit. Also includes links to relevant forum discussions on the code.

Symptoms of P2605 OBD II Trouble Code

Common Causes of P2605 OBD II Trouble Code

Severity of P2605 OBD II Trouble Code