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.
2009 Hyundai Azera V6-3.8LFACTORY OEM SERVICE PROCEDURE
Engine Controls - MIL ON/Multiple DTCs/Rough Idle: Overview
Group FUEL SYSTEM
Number 10-FL-001
Date JANUARY, 2010
Model ENTOURAGE, VERACRUZ, AZERA
Subject
ECM UPDATE - MIL ON DTC P161B - HARD START/ROUGH IDLE COLD
DESCRIPTION:
This bulletin provides information related to the ECM Update (software) of the applicable vehicles listed below, some of which may experience a malfunction indicator lamp illumination with the following system-related DTC:
^ P161B: (ECM Torque Calculation Performance). Vehicle may exhibit hard start and rough idle at cold start. This cold start condition is related to compatibility with some regional fuels.
NOTE:
DTC P1295, P2105 and/or P2106 may also set together with P161B after vehicle was running in limited powerlimp homemode.
This update will also resolve the following conditions that may occur to some vehicles, but do not affect drivability:
^ P0110: Intake Air Temperature sensor 1 Circuit.
^ P0111: Intake Air Temperature sensor 1 Circuit Range / Performance.
^ P0116: Engine Coolant Temperature Circuit Range / Performance. This DTC may set if an engine block heater is used in cold climates.
APPLICABLE VEHICLES:
^ 2007-2008MY ENTOURAGE (EP) 3.8L vehicles.
^ 2007-2010MY VERACRUZ (EN) 3.8L vehicles.
^ 2006-2010MY AZERA (TG) 3.8L vehicles.
^ 2007-2010MY AZERA (TG) 3.3L vehicles.
NOTE:
To verify the vehicle is affected, be sure to check the version of the vehicle's engine control unit ROM ID with reference to the ROM ID Information Table's above before attempting to update the control unit software.
WARRANTY CLAIM INFORMATION
Number 10-FL-001
Date JANUARY, 2010
Model ENTOURAGE, VERACRUZ, AZERA
Subject
ECM UPDATE - MIL ON DTC P161B - HARD START/ROUGH IDLE COLD
DESCRIPTION:
This bulletin provides information related to the ECM Update (software) of the applicable vehicles listed below, some of which may experience a malfunction indicator lamp illumination with the following system-related DTC:
^ P161B: (ECM Torque Calculation Performance). Vehicle may exhibit hard start and rough idle at cold start. This cold start condition is related to compatibility with some regional fuels.
NOTE:
DTC P1295, P2105 and/or P2106 may also set together with P161B after vehicle was running in limited powerlimp homemode.
This update will also resolve the following conditions that may occur to some vehicles, but do not affect drivability:
^ P0110: Intake Air Temperature sensor 1 Circuit.
^ P0111: Intake Air Temperature sensor 1 Circuit Range / Performance.
^ P0116: Engine Coolant Temperature Circuit Range / Performance. This DTC may set if an engine block heater is used in cold climates.
APPLICABLE VEHICLES:
^ 2007-2008MY ENTOURAGE (EP) 3.8L vehicles.
^ 2007-2010MY VERACRUZ (EN) 3.8L vehicles.
^ 2006-2010MY AZERA (TG) 3.8L vehicles.
^ 2007-2010MY AZERA (TG) 3.3L vehicles.
NOTE:
To verify the vehicle is affected, be sure to check the version of the vehicle's engine control unit ROM ID with reference to the ROM ID Information Table's above before attempting to update the control unit software.
WARRANTY CLAIM INFORMATION
Factory Service Tools
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
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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.