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.
SYS.OK|MANUAL.DB● LIVE
HOMESERVICE MANUALSVOLKSWAGEN2012CC 4MOTION (357) V6-3.6L (CNNA)REPAIR AND DIAGNOSISPOWERTRAIN MANAGEMENTCOMPUTERS AND CONTROL SYSTEMSOXYGEN SENSORSERVICE AND REPAIR4-PIN HEATED OXYGEN SENSOR
2012 Volkswagen CC 4Motion (357) V6-3.6L (CNNA)
4-Pin Heated Oxygen Sensor
2012 Volkswagen CC 4Motion (357) V6-3.6L (CNNA)SECTION 4-Pin Heated Oxygen Sensor
4-Pin Heated Oxygen Sensor
• Use the faulty sensor as a guide for installing all of the accompanying attachments, cable ties or marking bands.
• Do not repair the oxygen sensor wires. Repairing may result in malfunctions.
- Remove the faulty oxygen sensor.
- Lay both of the oxygen sensors next to each other so the sensor housings are the same level.
- Tie the excess length of the sensor (approximately 2 to 10 inches (50 to 250 mm)) back so it is the same length as the faulty sensor and secure it with cable ties - 1 -.
- Check if the oxygen sensor connector housing is compatible with the vehicle electrical system side.
- If necessary, replace the vehicle electrical system connector with the provided oxygen sensor connector housing. Refer to => [ Contact Housings and Connectors, Repair Information ] Contact Housings and Connectors, Repair Information.
• Only replace the connector housing on older vehicles. The connector housing is correct on new vehicles.
• Check the pin assignment. The pins in the new connector housing are color coded.
• The packaging for the new oxygen sensor contains additional information.
- Install the new oxygen sensor in the vehicle.
RENDER: 1.0x
NO RELATED
Recommended Tools & Savings
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Affiliate disclosure: We may earn a commission at no extra cost to you.
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.