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Genel OBD2
🟡 Medium
Genel OBD2
B1602
PATS Key Transponder Signal Not Received
The B1602 diagnostic trouble code (DTC) indicates a PATS Key Transponder Signal Not Received. This anomaly was detected during the ECM's internal diagnostic self-test, indicating that the system is unable to maintain steady-state operation.
Brand
Genel OBD2
Fault Code
B1602
Severity
🟡 Medium
Models
Tüm marka ve modeller
🛠️ Diagnostic Overview
Difficulty Level
🛠️🛠️
Medium (Moderate)
Estimated Time
⏱️ 1-2 Hours
🧰 Required Tools
- ✓ Socket Wrench & Hand Tools
⚠️ Possible Causes
- Dead key battery (if battery-powered)
- Damaged transponder
- Faulty antenna ring
🔧 Recommended Fixes
- Check key battery
- Replace key transponder
- Test antenna ring
🚗 Commonly Affected Vehicles
🏭 Genel OBD2 – Other Common Fault Codes