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 MANUALSGENESIS2020G90 3.3T PREMIUM, AWDREPAIR AND DIAGNOSIS (SINGLE PAGE)QUICK LOOKUPSDTC INDEXAMPLIFIER DTCS
2020 Genesis G90 3.3T Premium, AWD
Amplifier DTCS
2020 Genesis G90 3.3T Premium, AWDSECTION Amplifier DTCS
AMPLIFIER DIAGNOSTIC TROUBLE CODE (DTC) IDENTIFICATION
| DTC | Description |
|---|---|
| DTC B2801 | 00: MM CAN Signal Line Error |
| DTC B2915 | 00: Front Left Woofer Open Load |
| DTC B2916 | 00: Front Right Woofer Open Load |
| DTC B2917 | 00: Front Left Mid/TWT Open Load |
| DTC B2918 | 00: Front Right Mid/TWT Open Load |
| DTC B2919 | 00: Front Center Open Load |
| DTC B291A | 00: Rear Left Woofer Open Load |
| DTC B291B | 00: Rear Right Woofer Open Load |
| DTC B291C | 00: Rear Left Mid/TWT Open Load |
| DTC B291D | 00: Rear Right Mid/TWT Open Load |
| DTC B291E | 00: Left Surround Open Load |
| DTC B291F | 00: Right Surround Open Load |
| DTC B2920 | 00: Subwoofer 1 Open Load |
| DTC B2921 | 00: Subwoofer 2 Open Load |
| DTC B2922 | 00: Rear ANC MIC Open Load |
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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.