October 30: LEMON manuals on a temporary server, it is slow and having issues, download the manuals you need! Later in November we will switch back to the fast server.

Hard Failures

Hard failures (also called static malfunctions) cause MIL to come on and a code to set in Powertrain Control Module (PCM) memory. A code that sets as a result of a hard failure will not be erased automatically when the problem is eliminated. These codes must be erased manually.