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Opel / Vauxhall
🔴 High
Opel / Vauxhall
P1614
Theft Deterrent Fuel Enable Signal Missing (IMMO)
The P1614 fault on your Opel / Vauxhall indicates a Theft Deterrent Fuel Enable Signal Missing (IMMO). Your Opel / Vauxhall has registered an anomaly during a diagnostic self-test, indicating the system is struggling to reach its target operating range.
Brand
Opel / Vauxhall
Fault Code
P1614
Severity
🔴 High
Models
Astra, Corsa, Insignia, Zafira, Meriva, Vectra, Mokka
🛠️ Diagnostic Overview
Difficulty Level
🛠️🛠️
Medium (Moderate)
Estimated Time
⏱️ 1-2 Hours
🧰 Required Tools
- ✓ Socket Wrench & Hand Tools
⚠️ Possible Causes
- Faulty immobilizer transponder ring
- ECM replacement without rematch
- BCM fault
- Wiring between ECM and BCM
🔧 Recommended Fixes
- Re-match ECM to vehicle using Tech2/GDS2
- Replace transponder ring
- Check CAN/K-line communication
🔴 This is a high-priority fault. Have the vehicle inspected by a qualified technician as soon as possible.
🚗 Commonly Affected Vehicles
🏭 Opel / Vauxhall – Other Common Fault Codes