Monday, September 28, 2020

2010 Cadillac CTS Sedan AWD V6-3.0L Page 2014

2010 Cadillac CTS Sedan AWD V6-3.0L Page 2014



1. Ignition OFF, remove the Q8 control solenoid valve assembly. Refer to Control Solenoid Valve and Transmission Control Module Assembly



Replacement (See: Powertrain Management/Transmission Control Systems/Actuators and Solenoids - Transmission and



Drivetrain/Actuators and Solenoids - A/T/Shift Solenoid/Service and Repair).



2. Perform the Control Solenoid Valve and Transmission Control Module Assembly Inspection (See: Transmission and Drivetrain/Automatic



Transmission/Transaxle/Testing and Inspection/Component Tests and General Diagnostics/Control Solenoid Valve and Transmission Control



Module Assembly Inspection).



3. Place the Q8 control solenoid valve assembly on a clean work surface near the transmission assembly.



4. Connect DT-47825-10 - jumper harness between the vehicle wire harness electrical connector, and the Q8 control solenoid valve assembly



electrical connector.



5. Ignition ON, verify with a scan tool the following test status parameters display OK:



* Pressure Control Solenoid Valve 5 Performance Test Status



* Pressure Control Solenoid Valve 5 Control Circuit High Voltage Test Status



* Pressure Control Solenoid Valve 5 Control Circuit Low Voltage Test Status



瀚慖f any test status parameter displays Fault or Malfunction, replace the Q8 control solenoid valve assembly.



Repair Instructions



Perform the Diagnostic Repair Verification (See: Verification Tests) after completing the diagnostic procedure.



* Perform the Service Fast Learn Adapts (See: Transmission and Drivetrain/Automatic Transmission/Transaxle/Testing and



Inspection/Programming and Relearning/Service Fast Learn Adapts) following all transmission related repairs.



* Replace the control solenoid valve assembly. Refer to Control Module References (See: Testing and Inspection/Programming and



Relearning) for replacement, setup, and programming.



P2730



DTC P2728-P2730



Diagnostic Instructions



* Perform the Diagnostic System Check - Vehicle (See: Testing and Inspection/Initial Inspection and Diagnostic Overview/Diagnostic System



Check - Vehicle) prior to using this diagnostic procedure.



* Review Strategy Based Diagnosis (See: Testing and Inspection/Initial Inspection and Diagnostic Overview/Strategy Based Diagnosis) for an



overview of the diagnostic approach.



* Diagnostic Procedure Instructions (See: Testing and Inspection/Initial Inspection and Diagnostic Overview/Diagnostic Procedure



Instructions) provides an overview of each diagnostic category.



DTC Descriptors



DTC P2728



- Clutch Pressure Control (PC) Solenoid 5 System Performance



DTC P2729



- Clutch Pressure Control (PC) Solenoid 5 Control Circuit Low Voltage



DTC P2730



- Clutch Pressure Control (PC) Solenoid 5 Control Circuit High Voltage



Diagnostic Fault Information



Typical Scan Tool Data

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