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Genel OBD2
🟡 Medium
Genel OBD2
B1601
PATS Received Incorrect Key Code
The B1601 diagnostic trouble code (DTC) indicates a PATS Received Incorrect Key Code. 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
B1601
Severity
🟡 Medium
Models
Tüm marka ve modeller
🛠️ Diagnostic Overview
Difficulty Level
🛠️🛠️
Medium (Moderate)
Estimated Time
⏱️ 1-2 Hours
🧰 Required Tools
- ✓ OBD2 Diagnostic Scanner
- ✓ Basic Hand Tools
⚠️ Possible Causes
- Used wrong key
- Reprogramming error
- PCM fault
🔧 Recommended Fixes
- Use correct programmed key
- Reprogram keys
🚗 Commonly Affected Vehicles
🏭 Genel OBD2 – Other Common Fault Codes