OBD
P02E3
Diesel Intake Air Flow A Control Circuit High
What it means
P02E3 means Diesel Intake Air Flow A Control Circuit High.
Check these first
- A short to power in the actuator circuit
- A stuck intake air flap motor
- A faulty ECM driver
- Actuator wired or installed wrong
- Wiring harness damage
What to do next
- Check the actuator circuit for a short to power
- Command the flap motor and watch for binding
- Verify the actuator is wired and installed correctly
- Inspect the harness for damage
- Replace the actuator if the motor is stuck
- Clear the code and retest
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Updated
Generic SAE J2012 definition. Last updated 2026-10-10.