2012 Dodge Durango Owner Manual - Page 630

628 MAINTAINING YOUR VEHICLE 4. Approximately 15 seconds later, one of two things will If your OBD II system is not ready, you should see your happen: authorized dealer or repair facility. If your vehicle was recently serviced or had a battery failure or replacement, a. The MIL will flash for about 10 seconds and then you may need to do nothing more than drive your return to being fully illuminated until you turn OFF vehicle as you normally would in order for your OBD II the ignition or start the engine. This means that your system to update. A recheck with the above test routine vehicle's OBD II system is not ready and you should may then indicate that the system is now ready. not proceed to the I/M station. Regardless of whether your vehicle's OBD II system is b. The MIL will not flash at all and will remain fully ready or not, if the MIL is illuminated during normal illuminated until you turn OFF the ignition or start the vehicle operation you should have your vehicle serviced engine. This means that your vehicle's OBD II system before going to the I/M station. The I/M station can fail is ready and you can proceed to the I/M station. your vehicle because the MIL is on with the engine running.