2010 Cadillac CTS Sedan AWD V6-3.0L Page 2006

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2010 Cadillac CTS Sedan AWD V6-3.0L Page 2006



P2724



* DTCs P0716, P0717, P0722, P0723, P1825, or P1915 are not set.



* The transmission input speed is equal to or greater than 200 RPM.



* The transmission output shaft speed is equal to or greater than 200 RPM.



* 1-2-3-4 clutch is commanded OFF.



Conditions for Setting the DTC



P2723



The TCM detects an incorrect on-coming clutch gear ratio, or flare, when the 1-2-3-4 clutch is commanded ON for 0.5 seconds and either fail case



below is achieved:



Condition 1



* Output shaft speed is greater than 60 RPM.



* The transmission input shaft speed is greater than 75 RPM from the anticipated input shaft speed.



Condition 2



* Output shaft speed is less than 60 RPM.



* The transmission input shaft speed is greater than 75 RPM from the anticipated input shaft speed.



P2724



The TCM detects an incorrect off-going clutch gear ratio, or tie-up, when the 1-2-3-4 clutch is commanded OFF for 0.5 seconds and the following



is achieved:



* The 1-2-3-4 clutch commanded pressure is 0 kPa for a calculated amount of time.



* The transmission input shaft speed is less than 40 RPM from the anticipated input shaft speed.



* The output shaft speed is greater than 60 RPM.



Action Taken When the DTC Sets



* DTCs P2723 and P2724 are Type A DTCs.



* The TCM freezes transmission adaptive functions.



* DTC P2723 defaults to Reverse, Park, Neutral, 5th, or 6th gear.



* DTC P2724 defaults to Reverse, Park, Neutral, 1st, or 2nd gear.



Conditions for Clearing the DIC/DTC



DTCs P2723 and P2724 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)



Electrical Information Reference



* Circuit Testing (See: Testing and Inspection/Component Tests and General Diagnostics/Circuit Testing/Circuit Testing)



* Connector Repairs (See: Testing and Inspection/Component Tests and General Diagnostics/Connector Repairs/Connector Repairs)



* Testing for Intermittent Conditions and Poor Connections (See: Testing and Inspection/Component Tests and General Diagnostics/Circuit



Testing/Testing for Intermittent Conditions and Poor Connections)



* Wiring Repairs (See: Testing and Inspection/Component Tests and General Diagnostics/Wiring Repairs/Wiring Repairs)



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

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