2010 Cadillac Truck Escalade/ESV RWD V8-6.2L Page 2180

2010 Cadillac Truck Escalade/ESV RWD V8-6.2L Page 2180

If the DTC is set, program the Q8 control solenoid valve assembly. If the DTC resets, replace the Q8 control solenoid valve assembly.

Component Testing

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).

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 control solenoid valve assembly replacement, setup,

and programming.

ECM

DTC P0601, P0602, P0603, P0604, P0606, P0607, P060D, P062F, or P2610 (ECM)

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 of the diagnostic category.

DTC Descriptors

DTC P0601

- Control Module Read Only Memory Performance

DTC P0602

- Control Module Not Programmed

DTC P0603

- Control Module Long Term Memory Reset

DTC P0604

- Control Module Random Access Memory Performance

DTC P0606

- Control Module Processor Performance

DTC P0607

- Control Module Performance

DTC P060D

- Control Module Accelerator Pedal (APP) Position System Circuitry Performance

DTC P062F

- Control Module Long Term Memory Performance

DTC P2610

- Control Module Ignition Off Timer Performance

Circuit/System Description

This diagnostic applies to internal microprocessor integrity conditions within the engine control module (ECM) and the throttle actuator control

(TAC) system. This diagnostic also addresses if the ECM is not programmed.

The ECM monitors its ability to read and write to the memory. It also monitors a timing function. The ECM and the TAC processors are used to

monitor the TAC system data. Both processors monitor the other processors data to verify that the indicated APP calculation is correct. The ECM

performs an intrusive test in order to confirm that the APP signals are not shorted together. The ECM accomplishes this by pulling the APP sensor

2 low momentarily and looking for sensor 1 to also be pulled low.

Conditions for Running the DTCs