Powertrain Control Module
Ensure test equipment is properly attached. Program scan tool using the following steps:
- Select VEHICLE & ENGINE SELECTION menu.
- Select NEW VEHICLE, YEAR & MODEL.
- Select DIAGNOSTIC DATA LINK.
- Select PCM - POWERTRAIN CONTROL MODULE.
- Select DIAGNOSTIC TEST MODE.
- Select RETRIEVE/CLEAR CONTINUOUS DTCs.
- Turn ignition on.
- Select CLEAR ALL.
All DTCs should now be cleared from PCM memory. If problem has not been corrected or fault is still present, hard DTC will immediately be reset in PCM memory.
CAUTION:
DO NOT disconnect vehicle battery to clear DTCs. This will erase operating information from Keep-Alive Memory (KAM). To clear KAM, disconnect negative battery terminal for at least Step 5 minutes.
CAUTION:
When battery is disconnected, vehicle computer may lose memory data. Driveability problems may exist until computer systems have completed a relearn cycle. See COMPUTER RELEARN PROCEDURES article in GENERAL INFORMATION before disconnecting battery.