Sunday, December 22, 2019

2010 Cadillac Truck Escalade AWD V8-6.2L Page 2496

P0974

The control solenoid valve assembly detects an internal high voltage electrical malfunction of the SS 1 control circuit when the SS 1 is commanded

ON for 2 seconds.

Action Taken When the DTC Sets

P0973

* DTC P0973 is a Type A DTC.

* The TCM defaults the transmission to 2nd gear or reverse gear.

* The TCM forces the torque converter clutch (TCC) OFF.

* The TCM commands maximum line pressure.

* The TCM freezes transmission adaptive functions.

* The TCM enables Torque Management.

* The TCM inhibits TAP function.

* The TCM inhibits manual shifting of forward gears.

P0974

* DTC P0974 is a Type B DTC.

* The TCM inhibits 1st gear.

Conditions for Clearing the DIC/DTC

* DTC P0973 is a Type A DTC.

* DTC P0974 is a Type B DTC.

Reference Information

Schematic Reference

Automatic Transmission Controls Schematics (See: Transmission and Drivetrain/Automatic Transmission/Transaxle/Diagrams)

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

* Transmission General Description (See: Transmission and Drivetrain/Automatic Transmission/Transaxle/Description and

Operation/6L45/6L50/6L80/6L90 - Automatic Transmission/Transmission General Description)

* Transmission Component and System Description (See: Transmission and Drivetrain/Automatic Transmission/Transaxle/Description and

Operation/6L45/6L50/6L80/6L90 - Automatic Transmission/Transmission Component and System Description)

* Electronic Component Description (See: Transmission and Drivetrain/Automatic Transmission/Transaxle/Description and

Operation/6L45/6L50/6L80/6L90 - Automatic Transmission/Electronic Component 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)

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-47825-10 - Jumper Harness

Circuit/System Verification

1. Operate the vehicle in 2nd gear long enough to ensure at least a 3锟斤拷C (5锟斤拷F) rise in TCM temperature.

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