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Automatic Transmission Electronic Components

WARNING: This page is about a different car, the 2015 GMC Acadia, 2015 Chevrolet Traverse, and 2015 Buick Enclave. However, it is still accessible from the selected car via links, so may be relevant.
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Automatic Transmission Electronic Components

Items
1: Q8 Control Solenoid Valve Assembly Q8 Control Solenoid Valve Assembly X1Q8 Control Solenoid Valve Assembly X2Q8 Control Solenoid Valve Assembly X3Q8 Control Solenoid Valve Assembly X4
2: B15 Transmission Internal Mode Switch
3: B14A Transmission Output Shaft Speed Sensor
4: B14C Transmission Input Shaft Speed Sensor