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 MANUALSSUBARU2022IMPREZA BASE, 4D SEDAN, AUTOMATIC CVT TRANSREPAIR AND DIAGNOSISBODY & FRAMEDOOR LOCKSSECURITY AND LOCKS - KEYLESS ACCESS (W/PUSH BUTTON START) (DIAGNOSTICS)INSPECTION MODEPROCEDUREINSPECTION MODE 3
2022 Subaru Impreza Base, 4D Sedan, Automatic CVT Trans
Inspection Mode 3
2022 Subaru Impreza Base, 4D Sedan, Automatic CVT TransSECTION Inspection Mode 3
| DTC | Description & trouble part | Note |
|---|---|---|
| B2784 | Antenna circuit (Push Engine Switch) | - |
| B2790 | ID Code Box circuit | - |
| B27A1 | Driver side external antenna open | - |
| B27A2 | Passenger side external antenna open | - |
| B27A5 | Front internal antenna open | - |
| B27A6 | Rear internal antenna open | - |
| B27A7 | Trunk/rear gate internal antenna open | - |
| B27A8 | Trunk/rear gate external antenna open | - |
| B27A9 | Charging Lid External Antenna Open | - |
Diagnostic procedure:
- Check that the battery voltage is 12 V or more and fuel remains approx. half [20 - 40 L (5.3 - 10.6 US gal, 4.4 - 8.8 Imp gal)].
- Using the Subaru Select Monitor, perform the clear memory of [Keyless Access with Push Button Start]. Ref. to COMMON (DIAG)>CLEAR MEMORY .
- Using the Subaru Select Monitor, read the DTC of [Keyless Access with Push Button Start] to check that there is no DTC displayed. Ref. to KEYLESS ACCESS WITH PUSH BUTTON START (DIAGNOSTICS)>DIAGNOSTIC TROUBLE CODE (DTC) .
NOTE:
If the DTC is displayed on the screen, the trouble is still present. Perform the diagnosis for the displayed DTCs. After solving the DTC, repeat from step 1 .
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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.