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 MANUALSAUDI2012A6 SEDAN (4G2) L4-2.0L TURBO (CAEB)REPAIR AND DIAGNOSISPOWER AND GROUND DISTRIBUTIONPOWER DISTRIBUTION MODULESERVICE AND REPAIR
2012 Audi A6 Sedan (4G2) L4-2.0L Turbo (CAEB)
Power Distribution Module: Service and Repair
2012 Audi A6 Sedan (4G2) L4-2.0L Turbo (CAEB)SECTION Service and Repair
Vehicle Electrical System Control Module (J519)
- If the control module was replaced, select the "Replace" function for the respective control module in "Guided Fault Finding" or "Guided Functions" using the Vehicle Diagnostic Tester.
Removing
- Disengage the relay panel under the instrument panel on the left side and the relay- and auxiliary fuse panels still connected to the mount. Refer to => [ Relay Panel Under Left Instrument Panel ] Relay Panel Under Left Instrument Panel.
- Disconnect the connectors - 1, 2, 5, 6 and 7 -.
- Disconnect the connectors - 3 and 4 -.
- To disconnect the electrical connector, press the catch - 1 -, rotate the retaining bracket in the - direction of the arrow - and remove the connector.
- Release the spring - 1 - and remove the vehicle electrical system control module- 2 - downward - arrow -.
Installing
Install in reverse order of removal. Note the following:
- Install the relay panel under the instrument panel on the left side. Refer to => [ Relay Panel Under Left Instrument Panel ] Relay Panel Under Left Instrument Panel.
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.