What this code means

The theft deterrent system has disabled the starter circuit due to a detected theft condition or system malfunction.

Symptoms

• Engine will not crank
• Security light on solid
• Key turns but starter does not engage
• No-crank no-start condition

Common causes

• Theft system triggered by incorrect key
• System malfunction falsely detecting theft
• BCM starter relay driver failure
• Immobilizer-theft system communication error

Diagnostic steps

1. Verify key is correct for vehicle
2. Perform theft system reset procedure
3. Scan BCM and immobilizer codes
4. Test starter relay control circuit
5. Check theft system arm/disarm status

Repair notes

Perform theft system relearn or reset. If BCM is faulty, replace and program.

Other Body codes on this vehicle