2009 Dodge Challenger Owner's Manual - Page 372

370 MAINTAINING YOUR VEHICLE 5. Approximately 15 seconds later, one of two things will as you normally would in order for the OBD II system to happen: update. A recheck with the above test routine may then indicate that the system is now ready. a. The MIL will flash for about 10 seconds and then return to being fully illuminated until you turn OFF Regardless of whether the vehicle's OBD II system is the ignition key or start the engine. This means that the ready or not ready, if the MIL is illuminated during vehicle's OBD II system is not ready and you should normal vehicle operation, you should have the vehicle not proceed to the I/M station. serviced before going to the I/M station. The I/M station can fail the vehicle because the MIL is on with the engine b. The MIL will not flash at all and will remain fully running. illuminated until you turn OFF the ignition key or start the engine. This means that the vehicle's OBD II REPLACEMENT PARTS system is ready, and you can proceed to the I/M Use of genuine MOPAR parts for normal/scheduled station. maintenance and repairs is highly recommended to enIf the OBD II system is not ready, you should see an sure the designed performance. Damage or failures authorized dealer or repair facility. If this vehicle was caused by the use of non-MOPAR parts for maintenance recently serviced or had a battery failure or replacement, and repairs will not be covered by the manufacturer's you may need to do nothing more than drive the vehicle warranty.