You can erease your codes pretty easily...

1, Go to your car. Stick key in the door.
2. Lock and Unlock Repeatedly.
3. Repeat 5 Times.
4. Get in the Car.
5. Roll Windows down
6. Turn Key on
7. Turn key to Accessory.
8. Turn Key back to ON
9. Turn Hazards on.
10. Depress the Gas Pedal 3 Times Pausing one second between Presses.
11. Stare at the Gauge Cluster Grip the Steering wheel Firmly
12.Turn Steering wheel 1/4 turn LEFT And RIGHT (ECU reads clock spring rotations through SRS Airbag module)
13. Repeat Step 12 and Make Really, Really Loud RACEKAR noises....



Or purchase a Cheap Scantool. Walmart used to carry a cheap model for around 50 $
Or Amazon, This http://www.amazon.com/Autel-MaxiScan...5732475&sr=8-2