Sunday, November 10, 2019

2010 Cadillac Truck Escalade EXT AWD V8-6.2L Page 2723

2010 Cadillac Truck Escalade EXT AWD V8-6.2L Page 2723

Repair Instructions

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

* Valve Lifter Oil Manifold Replacement (See: Engine, Cooling and Exhaust/Engine/Camshaft, Lifters and Push Rods/Lifter / Lash

Adjuster/Service and Repair/Valve Lifter Oil Manifold Replacement)

* Control Module References (See: Testing and Inspection/Programming and Relearning) for ECM replacement, setup, and programming

P3441

DTC P3401, P3425, P3441, or P3449

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 P3401

- Cylinder 1 Deactivation Solenoid Control Circuit

DTC P3425

- Cylinder 4 Deactivation Solenoid Control Circuit

DTC P3441

- Cylinder 6 Deactivation Solenoid Control Circuit

DTC P3449

- Cylinder 7 Deactivation Solenoid Control Circuit

Diagnostic Fault Information

Typical Scan Tool Data

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