Internal Transmission Components
WARNING: This page is about a different car, the 2023 GMC Acadia. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
Callouts items in the following chart represent components shown in graphic above.
| Items |
|---|
| 1. B14A Transmission Output Shaft Speed Sensor B14A Transmission Output Shaft Speed Sensor |
| 2. B15 Transmission Internal Mode Switch |
| 3. Q77B Transmission Control Solenoid Valve 2 Q77B Transmission Control Solenoid Valve 2 |
| 4. Q77A Transmission Control Solenoid Valve 1 Q77A Transmission Control Solenoid Valve 1 |
| 5. Q77F Transmission Control Solenoid Valve 6 Q77F Transmission Control Solenoid Valve 6 |
| 6. Q77E Transmission Control Solenoid Valve 5 Q77E Transmission Control Solenoid Valve 5 |
| 7. B13 Transmission Fluid Temperature Sensor |
| 8. Q77K Transmission Control Solenoid Valve 10 Q77K Transmission Control Solenoid Valve 10 |
| 9. Q77G Transmission Control Solenoid Valve 7 Q77G Transmission Control Solenoid Valve 7 |
| 10. Q77H Transmission Control Solenoid Valve 8 Q77H Transmission Control Solenoid Valve 8 |
| 11. Q77J Transmission Control Solenoid Valve 9 Q77J Transmission Control Solenoid Valve 9 |
| 12. Q77D Transmission Control Solenoid Valve 4 Q77D Transmission Control Solenoid Valve 4 |
| 13. Q77C Transmission Control Solenoid Valve 3 Q77C Transmission Control Solenoid Valve 3 |