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The code P0743 can be set due to any of the following,
Torque Converter Clutch
In order to determine the cause you are going to need to do some testing, see the steps in the link below.
The code P1698 can be set due to any of the following,
Air Bag Controller
Automatic Temperature Control (ATC) Control Module
Body Control Module (BCM)
Controller Anti-Lock Brake
Instrument Cluster (IC)
Powertrain Control Module (PCM)Transmission
Control Module (TCM)
In order to determine the cause you need to run the steps in the link below.
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