What are the common causes of P02E5?

Intake air flap A jammed shut. Carbon buildup locking the air flow A flap. Broken linkage inside the air flow A actuator. Actuator stuck and unable to open the flap. Vacuum or intake leak holding air flow A shut.

Command the air flow A flap open and watch for movement. Clean carbon from the flap and bore. Inspect the air flow A actuator linkage. Check for vacuum or intake leaks near air flow A. Replace the air flow A actuator if the flap stays shut. Clear the code and retest.

P02E5

Diesel Intake Air Flow A Control Stuck Closed

System: Injector circuits (P code)
Lamp: Check Engine Light
Category: Powertrain - Fuel/Air Metering

What it means

P02E5 means Diesel Intake Air Flow A Control Stuck Closed.

Check these first

Intake air flap A jammed shut
Carbon buildup locking the air flow A flap
Broken linkage inside the air flow A actuator
Actuator stuck and unable to open the flap
Vacuum or intake leak holding air flow A shut

What to do next

Command the air flow A flap open and watch for movement
Clean carbon from the flap and bore
Inspect the air flow A actuator linkage
Check for vacuum or intake leaks near air flow A
Replace the air flow A actuator if the flap stays shut
Clear the code and retest

Look up another code

Code or symptom

Enter a full code or a symptom. Press / to search. How to read a code

Type a code above, or start from a symptom or a common code.

Updated

Generic SAE J2012 definition. Last updated 2026-10-10.