WHEEL AND TIRE SYSTEM > Tire Pressure Monitoring System
REMOVAL
1. TRANSMITTER (TIRE INFLATION PRESSURE SENSOR)
1. Remove the wheels from the vehicle. Tire and Wheel > REMOVAL">
2. Remove the tires from wheels.
CAUTION:
Use a tire changer when removing the tire from the wheel.
3. Loosen the screw to remove the transmitter from the valve stem.
CAUTION:
Do not reuse the valve and screw.
Replace the valve and screw with a new part even when reusing transmitter.

(1) | Wheel |
(2) | Transmitter |
(3) | Screw |
(4) | Valve |
4. Remove the valve from the wheel.
2. TPMS & KEYLESS CONTROL MODULE
NOTE:
TPMS control module is integrated with the keyless entry control module.
Keyless entry model
1. Disconnect the ground cable from battery and wait for at least 60 seconds before starting work. NOTE">
2. Remove the trim panel - rear apron LH. Rear Quarter Trim > REMOVAL">
3. Remove the TPMS & keyless control module.
(1) Disconnect the connector.
(2) Remove the bolt and then remove the TPMS & keyless control module.

3. TPMS CM
NOTE:
TPMS control module is separated from the keyless entry control module.
1. Disconnect the ground cable from battery and wait for at least 60 seconds before starting work. NOTE">
2. Remove the trim panel - rear apron LH. Rear Quarter Trim > REMOVAL">
3. Remove the TPMS CM.
(1) Disconnect the connector.
(2) Remove the bolts to remove the TPMS CM.

Adjustment
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How to use keyless access functions
Keyless access function tips
Turn off the push-button ignition switch
before locking the doors (including rear
gate) using the keyless access function. It
is not possible to lock the doors (including
the rear gate) using the keyless access
function when the push-button ignition
switc ...
Keyless access with push-button start system
The Subaru Ascent may also be equipped with an advanced keyless access system
featuring push-button start, enhancing both convenience and security.
Access key fob (main)
Access key fob (sub)
Key number plate
The Subaru Ascent keyless access system enables the following functions whe ...