2010 Dodge Ram 1500 Regular Cab Owner Manual - Page 514

512 MAINTAINING YOUR VEHICLE the SELECT button to turn off the message. If the serviced, recently had a dead battery or a battery replaceproblem continues, the message will appear the next time ment. If the OBD II system should be determined not ready for the I/M test, your vehicle may fail the test. the vehicle is started. A loose, improperly installed, or damaged fuel filler cap Your vehicle has a simple ignition key-actuated test, may also turn on the Malfunction Indicator Light (MIL). which you can use prior to going to the test station. To check if your vehicle's OBD II system is ready, you must EMISSIONS INSPECTION AND MAINTENANCE do the following: PROGRAMS In some localities, it may be a legal requirement to pass 1. Turn the ignition switch to the ON position, but do not an inspection of your vehicle's emissions control system. crank or start the engine. Failure to pass could prevent vehicle registration. 2. If you crank or start the engine, you will have to start For states that require an Inspection and Mainte- this test over. nance (I/M), this check verifies the "Malfunction 3. As soon as you turn the ignition switch to the ON Indicator Light (MIL)" is functioning and is not position, you will see the MIL symbol come on as part of on when the engine is running, and that the OBD II a normal bulb check. system is ready for testing. Normally, the OBD II system will be ready. The OBD II system may not be ready if your vehicle was recently