2004 Audi A6 (C5 4B) Repair Solution

Vehicle Details

Make: Audi

Model: A6 (C5 4B)

Year: 2004

Engine: 2.7L ARE 6cyl 30v DOHC Twin Turbo MPFI Petrol

Area: Electrical

Category: Battery / Starter / Alternator

Customer Complaint

The vehicle would not start and it was using water.

Problem Summary

This vehicle had just been purchased second-hand and came with no history.

The battery was dead flat.

There was only battery voltage when the vehicle was running and the alternator warning light had appeared on the dash.

Diagnostic Sequence

The step-by-step diagnostic process used to identify this fault is available to TaT members.

Unlock with Free Trial

Fault Description

The detailed fault description and root cause analysis for this 2004 Audi A6 (C5 4B) is available to TaT members.

Unlock with Free Trial

Verified Repair Solution

The confirmed repair procedure for this 2004 Audi A6 (C5 4B) is available to TaT members. Includes the verified fix and technician tips.

Unlock with Free Trial

Quick Facts

Code	AUDC504410
Vehicle	2004 Audi A6 (C5 4B)
Engine	2.7L ARE 6cyl 30v DOHC Twin Turbo MPFI Petrol
Complaint	Visible
Diag. Sequence	Members Only
Solution	Members Only

Need the Full Fix?

Get the complete diagnostic sequence, verified solution, and technician tips.

Join the network

2004 Audi A6 (C5 4B) — Repair Solution

Vehicle Details

Customer Complaint

Problem Summary

Diagnostic Sequence

Fault Description

Verified Repair Solution

Quick Facts

Need the Full Fix?

Access the Full Repair Solutions Database

Join the network

2004 Audi A6 (C5 4B) — Repair Solution

Vehicle Details

Customer Complaint

Problem Summary

Diagnostic Sequence

Fault Description

Verified Repair Solution

Quick Facts

Need the Full Fix?

More Audi Repair Solutions

Access the Full Repair Solutions Database