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 MANUALSVOLKSWAGEN2012CC 4MOTION (357) V6-3.6L (CNNA)REPAIR AND DIAGNOSISPOWERTRAIN MANAGEMENTCOMPUTERS AND CONTROL SYSTEMSTESTING AND INSPECTIONSCAN TOOL TESTING AND PROCEDURESVEHICLE DIAGNOSIS, TESTING AND INFORMATION SYSTEMS
2012 Volkswagen CC 4Motion (357) V6-3.6L (CNNA)
Vehicle Diagnosis, Testing and Information Systems
2012 Volkswagen CC 4Motion (357) V6-3.6L (CNNA)SECTION Vehicle Diagnosis, Testing and Information Systems
Vehicle Diagnosis, Testing and Information Systems
Special tools, testers and auxiliary items required
• Vehicle Diagnostic Tester
• Diagnostic Cable (VAS 5051/6A) (5 m)
• Diagnostic Cable (VAS 5051/5A) (3 m)
• During road tests using a vehicle diagnostic and information system, there is the hazard of extreme to lethal injuries!
• If vehicle diagnostic and information system is deposited in the action area of an airbag during a road test, here is the hazard of extreme to lethal injuries in the event the airbag deploys!
• During road tests, have a person sitting in the rear seat to operate the vehicle diagnostic and information system.
• All of the procedures described such as adaptations and coding can be performed with the Vehicle Diagnostic Tester.
• All work instructions can be reached in the operating modes "Guided Fault Finding" and "Guided Functions".
- Connect the Vehicle Diagnostic Tester.
• Follow the current operating instructions for the vehicle diagnosis, testing and information system , which can be displayed by selecting the "Administration" and "operator's handbook" buttons.
• For the diagnostic, only the diagnostic cables listed above are to be used since only these are equipped with CAN wires and permit a CAN diagnostic or CAN communication.
Procedure
- Apply the parking brake.
- In vehicles with automatic transmission, move the selector lever to the "P" or "N" position.
- In vehicles with manual transmissions, move the shift lever to the neutral position.
- With the ignition switched off, connect the Vehicle Diagnostic Tester with the diagnostic cable (VAS 5051/6A) to the data link connector in the vehicle - arrow -.
- Switch on ignition.
- Turn off all electrical consumers.
• The connection of all other Vehicle Diagnostic Tester and the following diagnostic operation system or vehicle diagnosis and service system occurs in the previously described sequence.
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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.