OBD2 Auto Code Eraser, Automotive DTC Remover for Check Engine Light Reset

P04 Lite can only clear temporary fault codes. It does not clear permanent fault codes.

If temporary codes reappear, they may clear automatically when you restart your vehicle or unplug and reconnect the device.

• ✅ Gasoline engines only
• ❌ Not compatible with diesel models
• ✅ Works on all OBD2-compliant vehicles from 1996 and newer (cars, SUVs, light trucks)

1. Plug the P04 Lite into your vehicle’s OBD2 port.
2. Turn the ignition switch to the “ON” position (do not start the engine).
3. Wait approximately 5 seconds — the device will automatically clear eligible codes.

No smartphone, app, or additional tools required. Simple enough for anyone to use!

The P04 Lite supports all standard OBD2 communication protocols:

• ISO 15765-4 (CAN)
• ISO 14230-4 (KWP2000)
• ISO 9141-2 (used by many Asian, European, and Chrysler vehicles)
• J1850 VPW (GM vehicles)
• J1850 PWM (Ford vehicles)

• 🟢 Flashing Green = Communicating with vehicle
• 🟢 Solid Green = Code clearing complete

OBDResource P04 Lite – 2024 Newest Version
One-step tool to clear temporary engine fault codes and checkindicatorlightturn off.