DTC Descriptors
WARNING: This page is about a different car, the 2017 Cadillac ATS. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
The DTCs listed below set due to a transmission hydraulic/mechanical condition. Perform the Circuit/System Verification and Circuit/System Testing to identify the cause.
- DTC P0776
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Transmission Control Solenoid Valve 2 Stuck Off - The 1-2-3-4-5-Reverse Clutch did not apply due to a hydraulic/mechanical condition.
- DTC P0777
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Transmission Control Solenoid Valve 2 Stuck On - The 1-2-3-4-5-Reverse Clutch did not release due to a hydraulic/mechanical condition.