2010 Cadillac Truck Escalade RWD V8-6.2L Page 2451

2010 Cadillac Truck Escalade 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