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.
K84 Keyless Entry Control Module: Scan Tool Information
2020 GMC Acadia SLSECTION K84 Keyless Entry Control Module: Scan Tool Information
WARNING: This page is about a different car, the 2019 GMC Acadia. However, it is still accessible from the selected car via links, so may be relevant.
Keyless Entry Control Module Scan Tool Data Parameters
| Parameter | Expected Value | Definition |
|---|---|---|
| Operating Conditions: Ignition ON | ||
| Battery Voltage | V | This parameter indicates the battery voltage as measured at the module |
| Driver Door Ajar Switch | Active/Inactive | This parameter indicates that the driver door is ajar; it is open, but the safety latch is engaged. |
| Driver Door Open Switch | Active/Inactive | This parameter indicates that the driver door is more than just ajar, it is open. |
| Driver Door Unlock Switch | Active/Inactive | This parameter indicates if the driver door is locked or unlocked. |
| Exterior Driver Door Handle Switch | Active/Inactive | This switch begins the challenge and response to determine if the door should be unlocked. If the vehicle responds correctly to the challenge, the door will be unlocked or unlatched. |
| Exterior Driver Door Handle Proximity Sensor | Active, Inactive, Fault | This is a capacitive proximity sensor on the exterior of the driver door handle. It allows the user to lock the door by pressing a small rectangle on the outside of the door handle if a key is detected leaving the vehicle. |
| Passenger Door Open Switch | Active/Inactive | This parameter indicates that the passenger door is more than just ajar, it is open. |
| Passenger Door Ajar Switch | Active/Inactive | This parameter indicates that the passenger door is ajar; it is open, but the safety latch is engaged. |
| Exterior Passenger Door Handle Switch | Active/Inactive | This switch begins the challenge and response to determine if the door should be unlocked. If the vehicle responds correctly to the challenge, the door will be unlocked or unlatched. |
| Exterior Passenger Door Handle Proximity Sensor | Active, Inactive, Fault | This is a capacitive proximity sensor on the exterior of the driver door handle. It allows the user to lock the door by pressing a small rectangle on the outside of the door handle if a key is detected leaving the vehicle. |
| Left Rear Door Ajar Switch | Active/Inactive | This parameter indicates that the driver's side rear door is ajar; it is open, yet the safety latch is engaged. |
| Exterior Left Rear Door Handle Switch | Active/Inactive | This switch begins the challenge and response to determine if the door should be unlocked. If the vehicle responds correctly to the challenge, the door will be unlocked or unlatched. |
| Right Rear Door Ajar Switch | Active/Inactive | This parameter indicates that the passenger's side rear door is ajar; it is open, yet the safety latch is engaged. |
| Exterior Right Rear Door Handle Switch | Active/Inactive | This switch begins the challenge and response to determine if the door should be unlocked. If the vehicle responds correctly to the challenge, the door will be unlocked or unlatched. |
| Liftgate Ajar Switch | Active/Not Active | This switch indicates if the rear closure of the vehicle is ajar. |
| Liftgate Handle Switch | Active/Inactive | This switch begins the challenge and response to determine if the rear closure should be unlatched. If the vehicle responds correctly to the challenge, the rear liftgate will be unlatched. |
RENDER: 1.0x
NO RELATED
Recommended Tools & Savings
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Affiliate disclosure: We may earn a commission at no extra cost to you.
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.