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.
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HOMESERVICE MANUALSACURA2010TL FWD V6-3.5LREPAIR AND DIAGNOSISSTARTING AND CHARGINGSTARTING SYSTEMTESTING AND INSPECTIONSYMPTOM RELATED DIAGNOSTIC PROCEDURESTHE MODE CHANGES BETWEEN ACC AND ON, BUT IT IS DIFFICULT TO CHANGE TO OFF (WITH KEYLESS ACCESS SYSTEM)
2010 Acura TL FWD V6-3.5L
The Mode Changes Between ACC and ON, But It Is Difficult To Change To OFF (With Keyless Access System)
2010 Acura TL FWD V6-3.5LSECTION The Mode Changes Between ACC and ON, But It Is Difficult To Change To OFF (With Keyless Access System)
The mode changes between ACC and ON, but it is difficult to change to OFF
Check the power control unit Keyless Access System (Keyless Access Control Unit, Keyless Access Remote Slot Control Unit, and Power Control Unit) Input Test
Check the keyless access control unit Keyless Access System (Keyless Access Control Unit, Keyless Access Remote Slot Control Unit, and Power Control Unit) Input Test
Check the remote slot control unit Keyless Access System (Keyless Access Control Unit, Keyless Access Remote Slot Control Unit, and Power Control Unit) Input Test
Check the gauge control module Component Tests and General Diagnostics
Also check for
Gauge control module
Also check for
Keyless access control unit
Also check for
Remote slot control unit
Also check for
Power control unit
Also check for
ECM/PCM
Also check for
B-CAN communication line open/short
Also check for
F-CAN communication line open/short
Also check for
Speed signal line open
RENDER: 1.0x
NO RELATED
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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.