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.
Keyless/Power Door Locks/Security System Symptom Troubleshooting
2010 Acura TL FWD V6-3.5LSECTION Keyless/Power Door Locks/Security System Symptom Troubleshooting
Keyless/Power Door Locks/Security System Symptom Troubleshooting
Power Door Locks/Keyless
1. Check for B-CAN DTCs. If any B-CAN DTCs are indicated, refer to the B-CAN System Diagnosis Test Mode A Troubleshooting - B-CAN System Diagnosis Test Mode A and resolve them first.
2. If the door lock system and the keyless operation do not work, troubleshoot the door locks first.
NOTE: The system does not function when the ignition switch is ON (II), or the vehicle ignition in the ON mode.
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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.