P1802

Symptoms

• Engine won't start
• The immobilizer indicator is flashing
• The key is not recognized by the system
• Lost memory of radio stations and other settings
• Difficulty starting the engine

Causes

• Open or short circuit in the immobilizer antenna circuit
• Damage to the immobilizer antenna
• Malfunction of the immobilizer control unit
• Wiring Harness Problems
• Ignition switch malfunction

How to Fix

1. Check the integrity of the immobilizer antenna
2. Check the connection and condition of the connectors
3. Diagnose the antenna circuit for an open or short circuit
4. Check the operation of the immobilizer control unit
5. If necessary, replace the immobilizer antenna
6. Repair only from an authorized dealer

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