2010 Cadillac Truck Escalade RWD V8-6.0L Hybrid Page 2962

2010 Cadillac Truck Escalade RWD V8-6.0L Hybrid Page 2962

* Low or cavitating automatic transmission fluid

* Poor terminal connection or wiring degradation

* External indication of ATFP pump motor damage

瀚慖f none of the conditions are observed, replace the ATFP motor/pump assembly and the ATFP control module.

Current Fault

This display indicates an internal ATFP control module fault exists, no external circuits are involved. Replace the ATFP control module.

Unable to Start

1. This display indicates the ATFP control module has monitored motor current of more than 20 A during motor start-up.

2. Inspect for the following conditions:

* Automatic transmission fluid pressure trapped internally

* Poor terminal connection or wiring degradation

* External indication of ATFP pump motor damage

瀚慖f none of the conditions are observed, replace the ATFP motor/pump assembly and the ATFP control module.

No PWM Response

This display indicates the HPCM does not detect the ATFP Control Feedback circuit signal. Refer to DTC P0C2B (See: P Code Charts/P0C2B).

Repair Instructions

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

* Control Module References (See: Testing and Inspection/Programming and Relearning)for PIM or ATFP control module replacement,

setup, and programming

* Auxiliary Fluid Pump and Gasket Replacement (See: Transmission and Drivetrain/Automatic Transmission/Transaxle/Fluid Pump/Service

and Repair/Auxiliary Fluid Pump and Gasket Replacement)

P3400

DTC P3400

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 P3400

- Cylinder Deactivation System Performance

Diagnostic Fault Information

Circuit/System Description