A list of controllers ( computers ) :
1. PCM ( PowerTrain Control Module - in box by battery )
2. BCM ( Body Control Module - in box by battery )
3. RCM ( Relay Control Module - in box by battery )
4. FCM ( Fan Control Module - on left front fender well )
5. TCM ( transmission Control Module - on automatics in passenger side foot well )
6. CAB ( Controller Anti Lock Brake - left front fender well )
7. SSM / CLP ( Security System Module / Central Locking Pump - under trunk padding on right side.
8. AHCM ( AC & Heating Module ( the thing with the 2 ***** and separate heating dials )
9. SKREEM ( Sentry Key Remote Entry Module, - up under the dash close to the driver's door )
10. PTCM ( Power Top Control Module - on roadsters in the right rear fender well )
11. HLSM ( Home Link Security Module ) - above the dome light.

If the flood water was high enough to get into the engine, I'm afraid you might be fighting a losing battle.