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 DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 30 (ENGINE CONTROL SYSTEM (HEV) (DIAGNOSTICS) (4 OF 4))DIAGNOSTIC PROCEDURE WITH DIAGNOSTIC TROUBLE CODE (DTC)DTC U0423: INVALID DATA RECEIVED FROM INSTRUMENT PANEL CLUSTER CONTROL MODULEDIAGNOSTIC METHOD
2022 Subaru Impreza Base, 4D Sedan, Automatic CVT Trans
Diagnostic Method
2022 Subaru Impreza Base, 4D Sedan, Automatic CVT TransSECTION Diagnostic Method
WARNING: This page is about a different car, the 2022 Subaru Crosstrek. However, it is still accessible from the selected car via links, so may be relevant.
Judge as NG when the following conditions are established.
Judgment value
JUDGMENT VALUE SPECIFICATIONS
| Malfunction Criteria | Threshold Value |
|---|---|
| Data from control modules connected to CAN | No change |
Time needed for diagnosis: 2 s
Malfunction indicator light illumination: Illuminates as soon as a malfunction occurs.
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.