What does OBD bulb check mean?
What does OBD bulb check mean? OBD II TEST An inspector checks to see if the MIL light comes on when the key is turned on. If the light does not come on, the vehicle fails the bulb check. That means plugging into the OBD II system, pulling out any stored codes and looking at any system data that might help you nail down what's causing the problem. How do you turn off the Check Engine Light Fuse? Step 1 Turn off the engine. Remove the gas cap then put it back on and tighten it. Locate the fuse panel...