2010 Cadillac CTS Sedan AWD V6-3.0L Page 1644
The TCM detects an incorrect off-going clutch gear ratio, or tie-up, when the 3-5-R clutch is commanded OFF for 1.2 seconds and the transmission
input shaft speed is 40 RPM or less from the anticipated input shaft speed.
Action Taken When the DTC Sets
* DTCs P0776 and P0777 are Type A DTCs.
* The TCM commands maximum line pressure.
* The TCM inhibits TCC.
* The TCM freezes transmission adaptive functions.
* The TCM inhibits TAP Up/Down function.
Conditions for Clearing the DIC/DTC
DTCs P0776 and P0777 are Type A DTCs.
Diagnostic Aids
Before performing a road test, configure and setup the scan tool for snapshot mode. This will allow you to display, monitor, and verify multiple
transmission data parameters at one time, after the road test.
Reference Information
Connector End View Reference
* Component Connector End Views (See: Diagrams/Connector Views)
* Inline Harness Connector End Views (See: Power and Ground Distribution/Multiple Junction Connector/Diagrams)
Description and Operation
* Electronic Component Description (See: Transmission and Drivetrain/Automatic Transmission/Transaxle/Description and
Operation/Electronic Component Description)
* Transmission General Description (See: Transmission and Drivetrain/Automatic Transmission/Transaxle/Description and
Operation/Transmission General Description)
* Transmission Component and System Description (See: Transmission and Drivetrain/Automatic Transmission/Transaxle/Description and
Operation/Transmission Component and System Description)
* Park - Engine Running (See: Transmission and Drivetrain/Automatic Transmission/Transaxle/Description and Operation/Park - Engine
Running)
* Reverse (See: Transmission and Drivetrain/Automatic Transmission/Transaxle/Description and Operation/Reverse)
* Neutral - Engine Running (See: Transmission and Drivetrain/Automatic Transmission/Transaxle/Description and Operation/Neutral -
Engine Running)
* Drive Range, First Gear Engine Braking (See: Transmission and Drivetrain/Automatic Transmission/Transaxle/Description and
Operation/Drive Range/First Gear Engine Braking)
* Drive Range, First Gear (See: Transmission and Drivetrain/Automatic Transmission/Transaxle/Description and Operation/Drive Range/First
Gear)
* Drive Range, Second Gear (See: Transmission and Drivetrain/Automatic Transmission/Transaxle/Description and Operation/Drive
Range/Second Gear)
* Drive Range, Third Gear (See: Transmission and Drivetrain/Automatic Transmission/Transaxle/Description and Operation/Drive
Range/Third Gear)
* Drive Range, Third Gear Default (See: Transmission and Drivetrain/Automatic Transmission/Transaxle/Description and Operation/Drive
Range/Third Gear Default)
* Drive Range - Fourth Gear (See: Transmission and Drivetrain/Automatic Transmission/Transaxle/Description and Operation/Drive
Range/Fourth Gear)
* Drive Range, Fifth Gear (See: Transmission and Drivetrain/Automatic Transmission/Transaxle/Description and Operation/Drive
Range/Fifth Gear)
* Drive Range, Fifth Gear Default (See: Transmission and Drivetrain/Automatic Transmission/Transaxle/Description and Operation/Drive
Range/Fifth Gear Default)
* Drive Range, Sixth Gear (See: Transmission and Drivetrain/Automatic Transmission/Transaxle/Description and Operation/Drive
Range/Sixth Gear)
* Fluid Passages (See: Transmission and Drivetrain/Automatic Transmission/Transaxle/Description and Operation/Fluid Passages)
DTC Type Reference
Powertrain Diagnostic Trouble Code (DTC) Type Definitions (See: Diagnostic Trouble Code Descriptions/Powertrain Diagnostic Trouble Code
(DTC) Type Definitions)
Scan Tool Reference
Control Module References (See: Testing and Inspection/Programming and Relearning) for scan tool information
Special Tools
* DT-47825 - Control Solenoid Test Plate
