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 MANUALSSUBARU2014FORESTER 2.5I, ENG CD FB25BA, STANDARD TRANSREPAIR AND DIAGNOSIS (SINGLE PAGE)QUICK LOOKUPSDTC INDEXAUTO HEADLIGHT BEAM LEVELER SYSTEM
2014 Subaru Forester 2.5i, Eng CD FB25BA, Standard Trans
Auto Headlight Beam Leveler System
2014 Subaru Forester 2.5i, Eng CD FB25BA, Standard TransSECTION Auto Headlight Beam Leveler System
AUTO HEADLIGHT BEAM LEVELER SYSTEM DIAGNOSTIC TROUBLE CODE (DTC) LIST
| DTC | Description |
|---|---|
| DTC U0073 | CONTROL MODULE COMMUNICATION BUS "A" OFF |
| DTC U0122 | LOST COMMUNICATION WITH VEHICLE DYNAMICS CONTROL MODULE |
| DTC U0140 | LOST COMMUNICATION WITH BODY CONTROL MODULE |
| DTC B2900 | AHLCU ERROR |
| DTC B2902 | REAR HEIGHT SENSOR ERROR |
| DTC B2903 | VDC DATA ERROR |
RENDER: 1.0x
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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.