Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
2011 Hyundai Azera V6-3.8LFACTORY OEM SERVICE PROCEDURE
Engine Controls - ECM Replacement and Testing Procedures
NUMBER
11-BE-013
GROUP
ELECTRICAL
MODEL(S)
All
SUBJECT
ENGINE CONTROL UNIT (ECU) REPLACEMENT
AND TESTING PROCEDURE
Description:
This bulletin describes the following procedure for vehicles equipped with Blue Link:
^ How to swap ECU for diagnosis only.
^ How to replace ECU.
^ How to clear Diagnostic code(s) from the Blue Link system.
Applicable Vehicles:
- All vehicles equipped with Blue Link
Warranty Information:
11-BE-013
GROUP
ELECTRICAL
MODEL(S)
All
SUBJECT
ENGINE CONTROL UNIT (ECU) REPLACEMENT
AND TESTING PROCEDURE
Description:
This bulletin describes the following procedure for vehicles equipped with Blue Link:
^ How to swap ECU for diagnosis only.
^ How to replace ECU.
^ How to clear Diagnostic code(s) from the Blue Link system.
Applicable Vehicles:
- All vehicles equipped with Blue Link
Warranty Information:
Factory Service Tools
Use the Manual With the Right Hardware
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.
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