2010 Cadillac Truck Escalade/ESV RWD V8-6.2L Page 2451
Action Taken When the DTC Sets
* DTC P1762 is a Type B DTC.
* The TCM commands maximum line pressure during shifts, which results in very harsh shifts.
Conditions for Clearing the DTC
DTC P1762 is a Type B DTC.
Reference Information
DTC Type Reference
Powertrain Diagnostic Trouble Code (DTC) Type Definitions (See: Diagnostic Trouble Code Descriptions/Powertrain Diagnostic Trouble Code
(DTC) Type Definitions)
Circuit/System Verification
1. DTC P1762 is an informational DTC. Diagnose all other transmission control DTCs prior to DTC P1762. Refer to Diagnostic Trouble Code
(DTC) List - Vehicle (See: Diagnostic Trouble Code Descriptions/Diagnostic Trouble Code (DTC) List - Vehicle).
2. If there are no other transmission controls DTCs, diagnosis is accomplished by looking for an intermittent CAN circuit fault. Refer to Scan
Tool Does Not Communicate with High Speed GMLAN Device (See: Powertrain Management/Computers and Control
Systems/Information Bus/Testing and Inspection/Symptom Related Diagnostic Procedures/Scan Tool Does Not Communicate with High
Speed GMLAN Device).
P1824
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
DTC P182E
- Internal Mode Switch-Invalid Range
DTC P182F
- Internal Mode Switch C Circuit High Voltage
DTC P1838
- Internal Mode Switch A Circuit High Voltage
DTC P1839
- Internal Mode Switch C Circuit Low Voltage
Diagnostic Fault Information
