VW Golf Mk6 Battery Drain — Radio Module
Volkswagen
Golf
2009
All
⚡ Quick Summary
Severity Level
Medium
Safe to Drive?
✅ Safe to Drive
Safety Impact
No direct safety impact reported by owners
Urgency Level
🟡 Monitor Closely
The RCD/RNS radio unit on Golf Mk6 can fail to go into sleep mode after ignition off, draining the battery overnight. Measured parasitic drain above 50mA after 30 minutes indicates the radio. Radio replacement or software update resolves the issue. Cost: £100-350.
Repair / Solution
No confirmed fixes yet. Share yours below.
⚠️ Wrong Diagnosis?
No commonly reported misdiagnoses for this fault yet. If you have replaced a part that did not fix this Volkswagen Golf 2009 problem, submit a wrong diagnosis report — it helps other drivers avoid the same costly mistake.
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