Engine Control Module: Service and Repair

Powertrain Control Module:

REMOVAL
1. Disconnect battery negative cable.

NOTE: When the battery has been disconnected and reconnected, some abnormal drive symptoms may occur while the Powertrain Control Module (PCM) relearns its adaptive strategy. The vehicle may need to be driven 10 miles or more to relearn the strategy.

2. Loosen engine control sensor wiring to PCM connector retainer bolt.
3. Remove engine control sensor wiring connector from PCM.
4. Remove the two PCM seal nuts and loosen left fender liner screws and remove liner or bend down to clear powertrain control module. Remove PCM.

INSTALLATION
1. Follow removal procedures in reverse order.
2. Tighten PCM retainer screw to 3-4 Nm (27-35 in lb). Tighten engine control sensor wiring connector retainer bolt to 4 Nm (35 in lb).