LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Buick >> 2016 >> Encore Base, AWD >> Repair and Diagnosis >> Quick Lookups >> DTC Index >> Automatic Transmission - 6T40 - Diagnostic Trouble Codes
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Automatic Transmission - 6T40 - Diagnostic Trouble Codes

AUTOMATIC TRANSMISSION - 6T40 - DIAGNOSTIC TROUBLE CODES

DTC Description
DTC P0601, P0603, P0604, or P062F Control Module Memory
DTC P0634 Control Module Overtemperature
DTC P0658 or P0659 Actuator High Control Circuit Group 1
DTC P0667, P0668, or P0669 Control Module Temperature Sensor
DTC P06AC, P06AD, or P06AE Control Module Power Up Temperature Sensor
DTC P0711-P0713 Transmission Fluid Temperature Sensor
DTC P0716, P0717, P07BF, or P07C0 Input Speed Sensor
DTC P0722, P0723, P077C, or P077D Output Speed Sensor
DTC P0741 or P0742 Torque Converter Clutch (TCC) System Stuck
DTC P0751 or P0752 Shift Solenoid Valve 1 Performance - Stuck
DTC P0776 or P0777 Pressure Control Solenoid Valve 2 Stuck
DTC P0796 or P0797 Pressure Control Solenoid Valve 3 Stuck
DTC P0815, P0816, or P0826 Upshift/Downshift Switch
DTC P0850-P0852 Park/Neutral Position Switch
DTC P0961-P0963 Line Pressure Control Solenoid
DTC P0965-P0967 Pressure Control Solenoid Valve 2
DTC P0969-P0971 Pressure Control Solenoid Valve 3
DTC P0973 or P0974 Shift Solenoid Valve 1
DTC P171A-P171C Transmission Fluid Pressure Accumulator Solenoid
DTC P171D Transmission Fluid Pressure Accumulator
DTC P1761 Up and Down Shift Switch Signal Message Counter
DTC P182E or P1915 Internal Mode Switch
DTC P1876 Up and Down Shift Enable Switch
DTC P2714 or P2715 Pressure Control Solenoid Valve 4 Stuck
DTC P2719-P2721 Pressure Control Solenoid Valve 4
DTC P2723 or P2724 Pressure Control Solenoid Valve 5 Stuck
DTC P2728-P2730 Pressure Control Solenoid Valve 5
DTC P2762, P2763, or P2764 Torque Converter Clutch (TCC) Pressure Control Solenoid