VW Golf Wont Start — Immobiliser Not Recognising Key
VW Golf failing to start with immobiliser light flashing indicates the transponder chip in the key is not communicating with the immobiliser reader ring. Common causes: flat key battery, damaged key transponder, failed reader ring. New key battery is the first step (£2). Reader ring replacement costs £80-200.
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 2004 problem, submit a wrong diagnosis report — it helps other drivers avoid the same costly mistake.
🚗 More About This Vehicle
📖 Related Repair Guides
Help other owners by sharing your experience.
Your real-world fix helps thousands of drivers worldwide. Takes 2 minutes.