2010 Cadillac CTS Sedan AWD V6-3.0L Page 1720
The TCM detects an internal electrical malfunction on the clutch PC solenoid 3 control circuit where the measured PC solenoid 3 current does not
equal the commanded clutch PC solenoid 3 current for 5 seconds.
P0970
The TCM detects a short to ground on the clutch PC solenoid 3 control circuit for 1 second.
P0971
The TCM detects an open or short to voltage on the Clutch PC solenoid 3 control circuit for 1 second.
Action Taken When the DTC Sets
P0969
* DTC P0969 is a Type C DTCs.
* The TCM freezes transmission adaptive functions.
P0970
* DTC P0970 is a Type A DTC.
* The TCM defaults the transmission to a limited shift pattern utilizing 2 forward gears and reverse gear based on the default detected.
* The TCM forces HSD1 OFF.
* The TCM forces TCC OFF.
* The TCM freezes transmission adaptive functions.
* The TCM commands maximum line pressure.
* The TCM enables Torque management.
* The TCM inhibits TAP Up/Down function.
P0971
* DTC P0971 is a Type A DTC.
* The TCM defaults the transmission to a limited shift pattern utilizing 2 forward gears and reverse gear based on the default detected.
* The TCM forces TCC OFF.
* The TCM freezes transmission adaptive functions.
* The TCM commands maximum line pressure.
* The TCM enables Torque management.
* The TCM inhibits TAP Up/Down function.
* The TCM inhibits manual shifting of forward gears.
Conditions for Clearing the DTC
* DTC P0969 is a Type C DTCs.
* DTCs P0970 and P0971 are Type A DTCs.
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/Transmission General Description)
* Transmission Component and System Description (See: Transmission and Drivetrain/Automatic Transmission/Transaxle/Description and
Operation/Transmission Component and System Description)
* Electronic Component Description (See: Transmission and Drivetrain/Automatic Transmission/Transaxle/Description and
Operation/Electronic Component Description)
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)
