2010 Cadillac Truck Escalade EXT AWD V8-6.2L Page 1975
Repair Instructions
Perform the Diagnostic Repair Verification (See: Verification Tests) after completing the diagnostic procedure.
Important: 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/2ML70 - Automatic
Transmission/Control Solenoid Valve and Transmission Control Module Assembly Inspection) for the following components before replacing
the components.
* Manual Shift Shaft Position Switch Replacement (See: Powertrain Management/Computers and Control Systems/Sensors and Switches -
Computers and Control Systems/Transmission Position Sensor/Switch/Service and Repair/2ML70 - Automatic Transmission) for IMS
replacement.
* Control Module References (See: Testing and Inspection/Programming and Relearning) for control solenoid (w/body and TCM) valve
assembly replacement, setup, and programming.
* Wiring Harness Replacement (See: Transmission and Drivetrain/Automatic Transmission/Transaxle/Wiring Harness/Service and
Repair/Wiring Harness Replacement) for automatic transmission control wiring harness extension harness assembly replacement.
P182B
DTC P1824, P182A-P182F, P1838, or P1839
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 Descriptor
DTC P1824
- Internal Mode Switch P Circuit High Voltage
DTC P182A
- Internal Mode Switch A Circuit Low Voltage
DTC P182B
- Internal Mode Switch B Circuit Low Voltage
DTC P182C
- Internal Mode Switch B Circuit High Voltage
DTC P182D
- Internal Mode Switch P Circuit Low Voltage
