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MODEL SELECTION INDEX
MY 2005 VZ Series - Service Information
Section 7C2 Automatic Transmission - 4L60E - Electrical Diagnosis
1 General Information
1.1 Introduction
1.2 General Description
Transmission Adaptive Functions
Limp Home Mode Description
1.3 Transmission Indicators and Messages
MFD Displays
Power Mode
Normal Mode
Shift Range Selected
1.4 Electronic Component Description
Transmission Control Module (TCM)
2 Wiring Diagrams and Connector Chart
2.1 Wiring Diagrams
2.2 Connector Chart
2.3 Connector Information
In-line 20-Way Connector End View
Transmission Side – X121–X1
Harness Side – X121–X1
Internal Connector End Views
Vehicle Speed Sensor
1-2 Shift Solenoid Valve Connector
2-3 Shift Solenoid Valve Connector
Pressure Control (PC) Solenoid Valve Connector
Transmission Manual Shift Shaft Switch Assembly
3-2 Shift Solenoid Valve Assembly Connector
Torque Converter Clutch (TCC) Pulse-Width Modulated (PWM) So
Torque Converter Clutch (TCC) Solenoid Valve Connector
Transmission Control Module Connector End View – A112–X1
3 Tech 2 Information
3.1 Tech 2 Diagnostics
Test Modes
Diagnostic Trouble Codes
Data Display
Snapshot
Additional Functions
Miscellaneous Tests
Programming
3.2 Data Display
Transmission Data
Transmission Data Parameters
TCC Data
TCC Data Parameters
1-2 Shift Data
1-2 Shift Data Parameters
2-3 Shift Data
2-3 Shift Data Parameters
3-4 Shift Data
3-4 Shift Data Parameters
Pressure Control Solenoid Data
Pressure Control Solenoid Data Parameters
Transmission Adapts
1-2 Adapt Data
2-3 Adapt Data
3-4 Adapt Data
Steady State Adapt Data
3.3 Tech 2 Data Definitions
3.4 Miscellaneous Tests
4 Diagnostics
4.1 Introduction
4.2 Precautions
4.3 Diagnostic Trouble Code Tables
Multiple DTCs Fault Condition
4.4 Diagnostic Trouble Code Definitions
Type A – Emission Related DTCs
Type B – Emission Related DTCs
Conditions for Clearing Type A or Type B DTCs
Type C – Non-emission Related DTCs
Conditions for Clearing Type C DTCs
Current DTCs
History DTCs
4.5 Diagnostic System Check
Description
Test Description
4.6 Diagnostic Trouble Code List
4.7 DTC P0218 – Transmission Fluid Overtemperature
DTC Description
Circuit Description
Conditions for Running the DTC
Conditions for Setting the DTC
Action Taken When the DTC Sets
Conditions for Clearing the DTC
Diagnostic Aids
Test Description
DTC P0218 Diagnostic Table
4.8 DTC P0562 – System Voltage Low
DTC Description
Circuit Description
Conditions for Running the DTC
Conditions for Setting the DTC
Action Taken When the DTC Sets
Conditions for Clearing the DTC
Diagnostic Aids
Test Description
DTC P0562 Diagnostic Table
4.9 DTC P0563 – System Voltage High
DTC Description
Circuit Description
Conditions for Running the DTC
Conditions for Setting the DTC
Action Taken When the DTC Sets
Conditions for Clearing the DTC
Diagnostic Aids
Test Description
DTC P0563 Diagnostic Table
4.10 DTC P0601 to P0604 or P1621 – TCM Malfunction
DTC Description
Circuit Description
Conditions for Running the DTC
Conditions for Setting the DTC
Action Taken When the DTC Sets
Conditions for Clearing the DTC
Test Description
DTC P0601 to P0604 or P1621 Diagnostic Table
4.11 DTC P0711 to P0713 – Transmission Fluid Temperature Sen
DTC Description
Circuit Description
Conditions for Running the DTC
DTC P0711
DTC P0712
DTC P0713
Conditions for Setting the DTC
DTC P0711
DTC P0712
DTC P0713
Action Taken When the DTC Sets
Conditions for Clearing the DTC
Diagnostic Aids
Test Description
DTC P0711 to P0713 Diagnostic Table
4.12 DTC P0719 – Brake Switch Circuit High Input (Stuck On)
DTC Description
Circuit Description
Conditions for Running the DTC
Conditions for Setting the DTC
Action Taken When the DTC Sets
Conditions for Clearing the DTC
Diagnostic Aids
Test Description
DTC P0719 Diagnostic Table
4.13 DTC P0722 – Vehicle Speed Sensor Circuit Low Voltage
DTC Description
Circuit Description
Conditions for Running the DTC
Conditions for Setting the DTC
Action Taken When the DTC Sets
Conditions for Clearing the DTC
Diagnostic Aids
Test Description
DTC P0722 Diagnostic Table
4.14 DTC P0723 – Vehicle Speed Sensor Circuit Intermittent
DTC Description
Circuit Description
Conditions for Running the DTC
Conditions for Setting the DTC
Action Taken When the DTC Sets
Conditions for Clearing the DTC
Diagnostic Aids
Test Description
DTC P0723 Diagnostic Table
4.15 DTC P0724 – Brake Switch Circuit Low Input (Stuck Off)
DTC Description
Circuit Description
Conditions for Running the DTC
Conditions for Setting the DTC
Action Taken When the DTC Sets
Conditions for Clearing the DTC
Diagnostic Aids
Test Description
DTC P0724 Diagnostic Table
4.16 DTC P0741 – Torque Converter Clutch System – Stuck Off
DTC Description
Circuit Description
Conditions for Running the DTC
Conditions for Setting the DTC
Action Taken When the DTC Sets
Conditions for Clearing the DTC
Diagnostic Aids
Test Description
DTC P0741 Diagnostic Table
4.17 DTC P0742 – Torque Converter Clutch System – Stuck On
DTC Description
Circuit Description
Conditions for Running the DTC
Conditions for Setting the DTC
Action Taken When the DTC Sets
Conditions for Clearing the DTC
Diagnostic Aids
Test Description
DTC P0742 Diagnostic Table
4.18 DTC P0751 – 1-2 Shift Solenoid Valve Performance – No F
DTC Description
Circuit Description
Conditions for Running the DTC
Conditions for Setting the DTC
Action Taken When the DTC Sets
Conditions for Clearing the DTC
Diagnostic Aids
Test Description
DTC P0751 Diagnostic Table
4.19 DTC P0752 – 1-2 Shift Solenoid Valve Performance – No S
DTC Description
Circuit Description
Conditions for Running the DTC
Conditions for Setting the DTC
Action Taken When the DTC Sets
Conditions for Clearing the DTC
Diagnostic Aids
Test Description
DTC P0752 Diagnostic Table
4.20 DTC P0756 – 2-3 Shift Solenoid Valve Performance – No F
DTC Description
Circuit Description
Conditions for Running the DTC
Conditions for Setting the DTC
Action Taken When the DTC Sets
Conditions for Clearing the DTC
Diagnostic Aids
Test Description
DTC P0756 Diagnostic Table
4.21 DTC P0757 – 2-3 Shift Solenoid Valve Performance – No T
DTC Description
Circuit Description
Conditions for Running the DTC
Conditions for Setting the DTC
Action Taken When the DTC Sets
Conditions for Clearing the DTC
Diagnostic Aids
Test Description
DTC P0757 Diagnostic Table
4.22 DTC P0787 – 3-2 Shift Solenoid Control Circuit Low Volt
DTC Description
Circuit Description
Conditions for Running the DTC
Conditions for Setting the DTC
Action Taken When the DTC Sets
Conditions for Clearing the DTC
Test Description
DTC P0787 Diagnostic Table
4.23 DTC P0788 – 3-2 Shift Solenoid Control Circuit High Vol
DTC Description
Circuit Description
Conditions for Running the DTC
Conditions for Setting the DTC
Action Taken When the DTC Sets
Conditions for Clearing the DTC
Test Description
DTC P0788 Diagnostic Table
4.24 DTC P0894 – Transmission Component Slipping
DTC Description
Circuit Description
Conditions for Running the DTC
Conditions for Setting the DTC
Action Taken When the DTC Sets
Conditions for Clearing the DTC
Diagnostic Aids
Test Description
DTC P0894 Diagnostic Table
4.25 DTC P0961 – Line Pressure Control Solenoid System Perfo
DTC Description
Circuit Description
Conditions for Running the DTC
Conditions for Setting the DTC
Action Taken When the DTC Sets
Conditions for Clearing the DTC
Diagnostic Aids
Test Description
DTC P0961 Diagnostic Table
4.26 DTC P0973 – 1-2 Shift Solenoid Control Circuit Low Volt
DTC Description
Circuit Description
Conditions for Running the DTC
Conditions for Setting the DTC
Action Taken When the DTC Sets
Conditions for Clearing the DTC
Test Description
DTC P0973 Diagnostic Table
4.27 DTC P0974 – 1-2 Shift Solenoid Control Circuit High Vol
DTC Description
Circuit Description
Conditions for Running the DTC
Conditions for Setting the DTC
Action Taken When the DTC Sets
Conditions for Clearing the DTC
Test Description
DTC P0974 Diagnostic Table
4.28 DTC P0976 – 2-3 Shift Solenoid Control Circuit Low Volt
DTC Description
Circuit Description
Conditions for Running the DTC
Conditions for Setting the DTC
Action Taken When the DTC Sets
Conditions for Clearing the DTC
Test Description
DTC P0976 Diagnostic Table
4.29 DTC P0977 – 2-3 Shift Solenoid Control Circuit High Vol
DTC Description
Circuit Description
Conditions for Running the DTC
Conditions for Setting the DTC
Action Taken When the DTC Sets
Conditions for Clearing the DTC
Test Description
DTC P0977 Diagnostic Table
4.30 DTC P1810, P1815 and P1816 – Transmission Fluid Pressur
DTC Description
Circuit Description
Conditions for Running the DTC
DTC P1810
DTC P1815
DTC P1816
Conditions for Setting the DTC
DTC P1810
DTC P1815
DTC P1816
Action Taken When the DTC Sets
Conditions for Clearing the DTC
Diagnostic Aids
Test Description
DTC P1810, P1815 and P1816 Diagnostic Table
4.31 DTC P2763 – Torque Converter Clutch Pressure Control So
DTC Description
Circuit Description
Conditions for Running the DTC
Conditions for Setting the DTC
Action Taken When the DTC Sets
Conditions for Clearing the DTC
Test Description
DTC P2763 Diagnostic Table
4.32 DTC P2764 – Torque Converter Clutch Pressure Control So
DTC Description
Circuit Description
Conditions for Running the DTC
Conditions for Setting the DTC
Action Taken When the DTC Sets
Conditions for Clearing the DTC
Test Description
DTC P2764 Diagnostic Table
4.33 DTC P2769 – Torque Converter Clutch Enable Solenoid Con
DTC Description
Circuit Description
Conditions for Running the DTC
Conditions for Setting the DTC
Action Taken When the DTC Sets
Conditions for Clearing the DTC
Diagnostic Aids
Test Description
DTC P2769 Diagnostic Table
4.34 DTC P2770 – Torque Converter Clutch Enable Solenoid Con
DTC Description
Circuit Description
Conditions for Running the DTC
Conditions for Setting the DTC
Action Taken When the DTC Sets
Conditions for Clearing the DTC
Test Description
DTC P2770 Diagnostic Table
4.35 DTC U2107– Lost Communication with Body Control Module
DTC Description
Circuit Description
Conditions for Running the DTC
Conditions for Setting the DTC
Action Taken When the DTC Sets
Conditions for Clearing the DTC
Diagnostic Aids
Test Description
DTC U2107 Diagnostic Table
5 Electrical Specifications
5.1 Transmission Fluid Temperature (TFT) Sensor Specificatio
5.2 Range Reference
5.3 Transmission Fluid Pressure Manual Valve Position Switch
5.4 Transmission Range Switch Logic
5.5 Component Resistance
5.6 Shift Solenoid Valve State and Gear Ratio
5.7 Line Pressure
6 Special Tools
