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2010 Cadillac Truck SRX AWD V6-2.8L Turbo Page 1520

2010 Cadillac Truck SRX AWD V6-2.8L Turbo Page 1520



Circuit/System Description



The transmission control module (TCM) high side driver 1 is located inside of the control solenoid valve assembly, which has no serviceable



components. The high side driver 1 provides power to the TCM pressure control solenoids and shift solenoids. This fault is handled inside the TCM



and no external circuits are involved.



Conditions for Running the DTC



P0658



* High side driver 1 is enabled.



* DTC P0658 has not set this ignition cycle.



P0659



DTC P0659 has not set this ignition cycle.



Conditions for Setting the DTC



P0658



The TCM detects an internal open or short to ground in the high side driver 1 circuit a total of 3 times out of 5 consecutive readings.



P0659



During TCM power-up and prior to the high side driver being enabled, the TCM detects an internal short to voltage on the high side driver 1 circuit



a total of 3 times out of 5 consecutive readings.



Action Taken When the DTC Sets



P0658



* DTC P0658 is a Type A DTC.



* The TCM turns the high side driver OFF.



* The TCM turns OFF all solenoids.



* The TCM commands maximum line pressure.



* The TCM freezes transmission adaptive functions.



* The TCM commands the TCC OFF.



* The TCM inhibits Tap Up/Down function.



* The TCM inhibits manual shifting of forward gears.



* The TCM limits the transmission to fifth and reverse operation.



P0659



DTC P0659 is a Type C DTC.



Conditions for Clearing the DTC



* DTC P0658 is a Type A DTC.



* DTC P0659 is a Type C DTC.



Reference Information



Connector End View Reference



* Component Connector End Views (See: Diagrams/Connector Views/Connector End Views By Name)



* Inline Harness Connector End Views (See: Diagrams/Connector Views/Multiple Junction Connector/Connector End Views By Number)



Description and Operation



Transmission General Description (See: Transmission and Drivetrain/Automatic Transmission/Transaxle/Description and Operation/6T70/6T75 -



Automatic Transmission/Transmission General Description)



Electrical Information Reference



* Circuit Testing (See: Testing and Inspection/Component Tests and General Diagnostics/General Electrical Diagnostic Procedures/Circuit



Testing/Circuit Testing)



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



Procedures/Connector Repairs/Connector Repairs)



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



Electrical Diagnostic Procedures/Circuit Testing/Testing for Intermittent Conditions and Poor Connections)



* Wiring Repairs (See: Testing and Inspection/Component Tests and General Diagnostics/General Electrical Diagnostic Procedures/Wiring



Repairs/Wiring Repairs)

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