Prepare your materials:
- Acura TL key with the immobilizer chip.
- A spare Acura TL key (if available).
Step 1: Unlock and Open Door
- Use your key with the immobilizer chip to unlock the driver's side door of your Acura TL.
Step 2: Turn Ignition On and Off
- Insert your key with the immobilizer chip into the ignition and turn the key to the "On" position.
- Do NOT start the engine.
- After 3 seconds, turn the key to the "Off" position.
Step 3: Repeat Step 2
- Repeat step 2 twice, turning the key to the "On" and then "Off" positions without starting the engine each time.
Step 4: Remove the Key
- Remove the key from the ignition.
Step 5: Wait
- Wait approximately 10 minutes.
Step 6: Reinsert the Key
- Reinsert the key with the immobilizer chip into the ignition and turn the key to the "On" position.
Step 7: Start the Engine
- Try to start the engine.
Possible Scenarios:
Scenario 1 - Engine Starts:
- If the engine starts successfully, the immobilizer has been reset.
Scenario 2 - Engine Doesn't Start:
- If the engine still does not start, you may need a spare key with an immobilizer chip to complete the reset process.
Step 8 (if Applicable)
- If you have a spare key with an immobilizer chip, repeat the steps using the spare key.
This procedure should reset the immobilizer on your 1999 Acura TL. If the problem persists, it is recommended to consult with a qualified automotive technician or an authorized Acura dealership for further assistance.
