A problem with the torque converter can cause the Check Engine Light to illuminate.
Resources for the Repair and Maintenance of your 2004 Audi A6 Quattro
2004 Audi A6 Quattro
2004 Audi A6 Quattro Problems
The digital display portion of the instrument cluster may fail. Our technicians tell us the entire instrument cluster will need to be replaced to correct this concern.
A fluid leak may develop from the propeller shaft seal on the rear of the transmission. Our technicians tell us that replacing the seal will commonly correct this concern.
The anti-lock brake system (ABS) control module may fail causing the ABS light to illuminate. Failed modules should be replaced to restore ABS operation.
Our technicians recommend having the constant velocity (CV) boots and CV joints inspected at each service. Servicing torn CV boots early can prevent the need to replace the CV half shaft or CV joint.
2004 Audi A6 Quattro Questions and Answers
Once I get into my car and start it. My computer shows the engine light was a steady ... but now it has been blinking for a week or so. Can you halp me and explain whats wrong with my car?? Thank Y...
Sorry But till this day idk where is my transmition fluid cap. Can you direct me there ? Thankx Alot!
I run my audi 80 miles per hour to pass a vehicle then change to 50 miles the car starts trembling once I got to my house I park my car and when I put it in parking it shut off by itself and doesn&...
How can I replace the oxygen sensor on an audi a6 2004?