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 MANUALSAUDI2025Q4 E-TRON PREMIUM PLUS, AWDREPAIR AND DIAGNOSIS (SINGLE PAGE)ACCESSORIES & EQUIPMENTENTERTAINMENT SYSTEMSCOMMUNICATION91 COMMUNICATIONCOMPONENTS/CONTROL MODULESCONTROL MODULE FOR EMERGENCY CALL MODULE AND COMMUNICATION UNIT J949, REMOVING AND INSTALLINGNOTES
2025 Audi Q4 e-tron Premium Plus, AWD
Control Module For Emergency Call Module And Communication Unit J949, Removing And Installing: Notes
2025 Audi Q4 e-tron Premium Plus, AWDSECTION Notes
Special tools and workshop equipment required
- Hook Tool :T40207
Refer to Component Location Overview - Components/Control Modules in Center Section of Vehicle .
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.