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 Acura TL BaseFACTORY OEM SERVICE PROCEDURE
Without HDS
WARNING: This page is about a different car, the 2010 Acura TL and 2009 Acura TL. However, it is still accessible from the selected car via links, so may be relevant.
- Open the remote, and check for water damage.
- If you find any water damage, replace the remote.
- If there is no water damage, go to step 2.
- Replace the remote battery (A) with a new one (CR2032), and try to lock and unlock the doors with the remote by pressing the lock or unlock button at least 10 times.
- If the doors lock and unlock, the remote is OK.
- If the doors don't lock and unlock, go to step 3.
- Reprogram the remote with the HDS, then try to lock and unlock the doors.
- If the doors lock and unlock, the remote is OK.
- If the doors don't lock and unlock, try and program to another vehicle.
- If the remote programs to another vehicle, go to B-CAN System Diagnosis Test Mode A (see TROUBLESHOOTING - B-CAN SYSTEM DIAGNOSIS TEST MODE A ).
- If the remote will not program to another vehicle, replace it.
Factory Service Tools
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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.