diagnostic car tool s manual. When you are prompted to clear the codes

The best way to Get Engine Codes on a Lincoln Town Car or truck 1Connect the scan tool for the DTC port, which can be located beneath the driver&rsquo diagnostic car tool;s side dash next to the steering column. The port will have a black, plastic cap covering it with the letters “DTC” molded into it for easy identification.

If you do not own a scan tool, you can purchase one at most major automotive parts stores, or through a local professional tool vendor. When making this purchase, be sure to verify that the scan tool works with Ford vehicles.2Refer to your scan tool’s specific owner’s manual on tips on how to perform a self test on the Lincoln Town Car’s PCM. Once the process is memorized, run the test.3Write down the code or codes the scan tool displays.

These codes correspond to step-by-step troubleshooting tests designed by Ford engineers to pinpoint the malfunction Professional diagnositic tools.4Finish the self test as advised by the instructions in the scan tool’s owner’s manual. When you are prompted to clear the codes, do not do so unless you are certain you have corrected the malfunction. Clearing the codes is akin to giving the PCM amnesia; it erases a visible symptom, but does not correct the problem.5Disconnect the scan tool when done and replace the DTC port cap to protect the port from dirt and other foreign material.