P1259

Symptoms

• Engine won't start
• Engine stalls after starting
• The immobilizer indicator is on
• The security light is flashing
• Lost Communication with PCM

Causes

• Immobilizer malfunction
• Damaged wiring or poor contact
• Ignition key mismatch
• PCM software failure
• Problems with immobilizer power supply

How to Fix

1. Check the condition of the wiring and contacts
2. Check ignition key and chip
3. Reset immobilizer system
4. Update PCM Software
5. Repair only from an authorized dealer

Related codes

Error P1259 by Vehicle Brand