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.

Code Enable Criteria

Engine is cranking/running.
Battery voltage 7.5-15.0 volts.

DTC sets when ECM detects an open, short to ground or short to voltage for more than 0.5 second on intake plenum switchover control circuit.