Are you having problems fixing a 6L90 transmission? Are you looking for 6L90 transmission troubleshooting help, 6L90 rebuilding tips, 6L90 technical service bulletins or technical information? Do you just have 6L90 questions and need some answers? Do have diagnostic trouble codes (DTC's) and need 6L90 troubleshooting information?

The Transmission Rebuilders Network is the place where the industries best transmission rebuilders work together to help solve the most complex automatic transmission problems. Whether you need 6L90 wiring diagram information, 6L90 transmission rebuilders tips, 6L90 technical information, 6L90 troubleshooting help, or just answers to your 6L90 transmission rebuilders question, the Transmission Rebuilders Network is the place to go!

Technical help on the following diagnostic trouble codes (DTC's);

CHRYSLER SPECIFIC DIAGNOSTIC TROUBLE CODES (DTC's)

6L90 Code (DTC) P0120 Throttle Position Sensor Signal Circuit

6L90 Code (DTC) P0122 Throttle Position Sensor/APPS Low

6L90 Code (DTC) P0123 Throttle Position Sensor/APPS High

6L90 Code (DTC) P0124 Throttle Position Sensor/APPS Intermittent

6L90 Code (DTC) P0218 High Temperature Operation Activated

6L90 Code (DTC) P0562 Low Battery Voltage

6L90 Code (DTC) P0604 Internal TCM

6L90 Code (DTC) P0605 Internal TCM

6L90 Code (DTC) P0613 Internal TCM

6L90 Code (DTC) P0700 Internal TCM

6L90 Code (DTC) P0705 Check Shifter Signal

6L90 Code (DTC) P0706 Check Shifter Signal

6L90 Code (DTC) P0711 Trans Temp Sensor, No Temp Rise After Start

6L90 Code (DTC) P0712 Trans Temp Sensor Voltage Too Low

6L90 Code (DTC) P0713 Trans Temp Sensor Voltage Too High

6L90 Code (DTC) P0714 Transmission Temperature Sensor Intermittent

6L90 Code (DTC) P0715 Input Speed Sensor Error

6L90 Code (DTC) P0720 Ouput Speed Sensor Error

6L90 Code (DTC) P0725 Engine Speed Sensor Circuit

6L90 Code (DTC) P0731 Gear Ratio Error in 1st

6L90 Code (DTC) P0732 Gear Ratio Error in 2nd

6L90 Code (DTC) P0733 Gear Ratio Error in 3rd

6L90 Code (DTC) P0734 Gear Ratio Error in 4th

6L90 Code (DTC) P0735 Gear Ratio Error in 4th Prime

6L90 Code (DTC) P0736 Gear Ratio Error in Reverse

6L90 Code (DTC) P0740 Torque Converter Clutch, No RPM Drop @ Lockup

6L90 Code (DTC) P0743 Torque Converter Clutch Solenoid/Trans Relay Circuits

6L90 Code (DTC) P0748 Pressure Solenoid Control/Trans Relay Circuits

6L90 Code (DTC) P0750 LR Solenoid Circuit

6L90 Code (DTC) P0751 O/D Switch Pressed (Lo) More Than 5 Minutes

6L90 Code (DTC) P0753 Trans 3-4 Shift Solenoid/Trans Relay Circuits

6L90 Code (DTC) P0755 2/4 Solenoid Circuit (41TE, 42LE)

6L90 Code (DTC) P0755 2C Solenoid Circuit (45RFE)

6L90 Code (DTC) P0760 OD Solenoid Circuit

6L90 Code (DTC) P0765 UD Solenoid Circuit

6L90 Code (DTC) P0770 4C Solenoid Circuit

6L90 Code (DTC) P0783 3-4 Shift Solenoid, No RPM Drop @ Lockup

6L90 Code (DTC) P0841 LR Pressure Switch Sense Circuit

6L90 Code (DTC) P0845 2/4 Hydraulic Pressure Test Failure (41TE, 42LE)

6L90 Code (DTC) P0846 2/4 Pressure Switch Sense Circuit (41TE, 42LE)

6L90 Code (DTC) P0867 Line Pressure Fault

6L90 Code (DTC) P0868 Line Pressure Low

6L90 Code (DTC) P0869 Line Pressure High

6L90 Code (DTC) P0870 OD Hydraulic Pressure Test Failure

6L90 Code (DTC) P0871 OD Pressure Switch Sense Circuit

6L90 Code (DTC) P0875 UD Hydraulic Pressure Test Failure

6L90 Code (DTC) P0876 UD Pressure Switch Sense Circuit

6L90 Code (DTC) P0884 Power Up at Speed

6L90 Code (DTC) P0888 Relay Output Always Off

6L90 Code (DTC) P0890 Switched Battery

6L90 Code (DTC) P0891 Transmission Relay Always On

6L90 Code (DTC) P0897 Worn Out/Burnt Transaxle Fluid

6L90 Code (DTC) P0932 Line Pressure Sensor Fault

6L90 Code (DTC) P0944 Loss of Prime

6L90 Code (DTC) P0951 Autostick Sensor Circuit

6L90 Code (DTC) P0952 Autostick Input Circuit Low

6L90 Code (DTC) P0987 4C Hydraulic Pressure Test Failure

6L90 Code (DTC) P0988 4C Pressure Switch Sense Circuit

6L90 Code (DTC) P0992 2-4/OD Hydraulic Pressure Test Failure

6L90 Code (DTC) P1652 Serial Communication Link Malfunction

6L90 Code (DTC) P1684 Battery Was Disconnected

6L90 Code (DTC) P1687 No Communication with MIC

6L90 Code (DTC) P1694 BUS Communication with Engine Module

6L90 Code (DTC) P1714 Low Battery Voltage

6L90 Code (DTC) P1715 Restricted Port In T3 Range

6L90 Code (DTC) P1716 BUS Communication with Engine Module

6L90 Code (DTC) P1717 No Communication with MIC

6L90 Code (DTC) P1726 UD Hydraulic Pressure Switch Circuit

6L90 Code (DTC) P1727 4C Hydraulic Pressure Switch Circuit

6L90 Code (DTC) P1728 2C Hydraulic Pressure Switch Circuit

6L90 Code (DTC) P1732 UD Pressure Switch Sense Circuit

6L90 Code (DTC) P1733 4C Pressure Switch Sense Circuit

6L90 Code (DTC) P1734 2C Pressure Switch Sense Circuit

6L90 Code (DTC) P1735 Inadequate Element Volume 4C

6L90 Code (DTC) P1736 Gear Ratio Error in 2nd Prime

6L90 Code (DTC) P1738 High Temperature Logic Activated

6L90 Code (DTC) P1739 Power Up at Speed

6L90 Code (DTC) P1740 TCC O/D Solenoid Performance

6L90 Code (DTC) P1756 Governor Pressure Not Equal to Target @ 15-20 PSI

6L90 Code (DTC) P1757 Governor Pressure Above 3 PSI In Gear @ 0 MPH

6L90 Code (DTC) P1762 Governor Pressure Sensor Offset Volts Too Low Or High

6L90 Code (DTC) P1763 Governor Pressure Sensor Volts Too High

6L90 Code (DTC) P1764 Governor Pressure Sensor Volts Too Low

6L90 Code (DTC) P1765 Switched Battery

6L90 Code (DTC) P1765 Trans 12 Volt Supply Relay Control Circuit

6L90 Code (DTC) P1767 Relay Output Always On

6L90 Code (DTC) P1768 Relay Output Always Off

6L90 Code (DTC) P1770 Inadequate Element Volume LR

6L90 Code (DTC) P1771 Inadequate Element Volume 2C

6L90 Code (DTC) P1772 Inadequate Element Volume OD

6L90 Code (DTC) P1773 Inadequate Element Volume UD

6L90 Code (DTC) P1775 Solenoid Switch Valve Latched in TCC Possition

6L90 Code (DTC) P1776 Solenoid Switch Valve Latched in LR Position

6L90 Code (DTC) P1781 OD Pressure Switch Sense Circuit

6L90 Code (DTC) P1782 2-4 Pressure Switch Sense Circuit

6L90 Code (DTC) P1784 L-R Pressure Switch Sense Circuit

6L90 Code (DTC) P1787 OD Hydraulic Pressure Switch Circuit

6L90 Code (DTC) P1788 2-4 Hydraulic Pressure Switch Circuit

6L90 Code (DTC) P1789 2-4/OD Hydraulic Pressure Switch Circuit

6L90 Code (DTC) P1790 Fault Immediately After Shift

6L90 Code (DTC) P1791 Loss of Prime

6L90 Code (DTC) P1792 Battery Was Disconnected

6L90 Code (DTC) P1793 TRD Link Communication Error

6L90 Code (DTC) P1794 Speed Sensor Ground Error

6L90 Code (DTC) P1795 Internal Transmission Controller

6L90 Code (DTC) P1796 Autostick Input Circuit

6L90 Code (DTC) P1797 Manual Shift Overheat

6L90 Code (DTC) P1798 Worn out / Burnt Transaxle Fluid

6L90 Code (DTC) P1799 Calculated Oil Temp In Use

6L90 Code (DTC) P1899 P/N Performance

6L90 Code (DTC) P2700 Inadequate Element Volume LR

6L90 Code (DTC) P2701 Inadequate Element Volume 2C

6L90 Code (DTC) P2702 Inadequate Element Volume OD

6L90 Code (DTC) P2703 Inadequate Element Volume UD

6L90 Code (DTC) P2704 Inadequate Element Volume 4C

6L90 Code (DTC) P2706 MS Solenoid Circuit

FORD SPECIFIC DIAGNOSTIC TROUBLE CODES (DTC's)

6L90 Code (DTC) P1700 Transmission System Failure

6L90 Code (DTC) P1701 Reverse Engagement Error

6L90 Code (DTC) P1702 Transmission System Failure

6L90 Code (DTC) P1703 Brake Switch Out of Self-Test Range

6L90 Code (DTC) P1704 Transmission System Failure

6L90 Code (DTC) P1705 Transmission Range Sensor Out of Self-Test Range

6L90 Code (DTC) P1709 Park/Neutral Position Switch Out of Self-Test Range

6L90 Code (DTC) P1710 Transmission System Failure

6L90 Code (DTC) P1711 Transmission Fluid Temperature Sensor out of Self-Test Range

6L90 Code (DTC) P1713 Transmission System Failure

6L90 Code (DTC) P1714 Transmission System Failure

6L90 Code (DTC) P1715 Transmission System Failure

6L90 Code (DTC) P1716 Transmission System Failure

6L90 Code (DTC) P1717 Transmission System Failure

6L90 Code (DTC) P1718 Transmission System Failure

6L90 Code (DTC) P1719 Transmission System Failure

6L90 Code (DTC) P1720 Transmission System Failure

6L90 Code (DTC) P1729 4x4 Low Switch Error

6L90 Code (DTC) P1740 Transmission System Failure

6L90 Code (DTC) P1741 Torque Converter Clutch Control Error

6L90 Code (DTC) P1742 Torque Converter Clutch Solenoid Fault

6L90 Code (DTC) P1743 Torque Converter Clutch Solenoid Fault

6L90 Code (DTC) P1744 Torque Converter Clutch Stuck in Off Position

6L90 Code (DTC) P1745 Transmission System Failure

6L90 Code (DTC) P1746 Electronic Pressure Control Solenoid - Open circuit

6L90 Code (DTC) P1747 Electronic Pressure Control Solenoid - Short circuit

6L90 Code (DTC) P1749 Electronic Pressure Control Solenoid - Low

6L90 Code (DTC) P1751 Shift Solenoid No. 1 Performance

6L90 Code (DTC) P1754 Coast Clutch Solenoid Circuit Error

6L90 Code (DTC) P1756 Shift Solenoid No. 2 Performance

6L90 Code (DTC) P1760 Transmission System Failure

6L90 Code (DTC) P1761 Shift Solenoid No. 3 Performance

6L90 Code (DTC) P1762 Transmission System Failure

6L90 Code (DTC) P1767 Transmission System Failure

6L90 Code (DTC) P1780 Transmission Control Switch Out of Self-Test Range

6L90 Code (DTC) P1781 4x4 Low Switch Out of Self-Test Range

6L90 Code (DTC) P1783 Transmission Over-Temperature Condition

6L90 Code (DTC) P1784 Transmission System Failure

6L90 Code (DTC) P1785 Transmission System Failure

6L90 Code (DTC) P1786 Transmission System Failure

6L90 Code (DTC) P1787 Transmission System Failure

6L90 Code (DTC) P1788 Transmission System Failure

6L90 Code (DTC) P1789 Transmission System Failure

6L90 Code (DTC) P1900 Output Shaft Speed Sensor Circuit Intermittent Failure

GM SPECIFIC DIAGNOSTIC TROUBLE CODES (DTC's)

6L90 Code (DTC) DTC P0218 Transmission Fluid Over Temperature

6L90 Code (DTC) DTC P0502 Vehicle Speed Sensor (VSS) Circuit Low

6L90 Code (DTC) DTC P0502 Vehicle Speed Sensor (VSS) Circuit Low

6L90 Code (DTC) DTC P0503 Vehicle Speed Sensor (VSS) Circuit Intermittent

6L90 Code (DTC) DTC P0503 Vehicle Speed Sensor (VSS) Circuit Intermittent

6L90 Code (DTC) DTC P0711 TFT Sensor Circuit Range/Performance

6L90 Code (DTC) DTC P0711 TFT Sensor Circuit Range/Performance

6L90 Code (DTC) DTC P0712 Transmission Fluid Temperature (TFT) Sensor Circuit Low

6L90 Code (DTC) DTC P0712 Transmission Fluid Temperature (TFT) Sensor Circuit Low

6L90 Code (DTC) DTC P0713 Transmission Fluid Temperature (TFT) Sensor Circuit High

6L90 Code (DTC) DTC P0713 Transmission Fluid Temperature (TFT) Sensor Circuit High

6L90 Code (DTC) DTC P0716 Input Speed Sensor Circuit Intermittent

6L90 Code (DTC) DTC P0716 Input Speed Sensor Circuit Intermittent

6L90 Code (DTC) DTC P0717 Input Speed Sensor Circuit Low

6L90 Code (DTC) DTC P0717 Input Speed Sensor Circuit Low

6L90 Code (DTC) DTC P0719 Brake Switch Circuit Low

6L90 Code (DTC) DTC P0719 Brake Switch Circuit Low

6L90 Code (DTC) DTC P0724 Brake Switch Circuit High

6L90 Code (DTC) DTC P0724 Brake Switch Circuit High

6L90 Code (DTC) DTC P0730 Incorrect Gear Ratio

6L90 Code (DTC) DTC P0730 Incorrect Gear Ratio

6L90 Code (DTC) DTC P0741 TCC System Stuck Off

6L90 Code (DTC) DTC P0742 TCC System Stuck On

6L90 Code (DTC) DTC P0748 Pressure Control Solenoid Circuit

6L90 Code (DTC) DTC P0748 Pressure Control Solenoid Circuit

6L90 Code (DTC) DTC P0751 1-2 Shift Solenoid Valve Performance

6L90 Code (DTC) DTC P0753 1-2 Shift Solenoid Circuit

6L90 Code (DTC) DTC P0756 2-3 Shift Solenoid Valve Performance

6L90 Code (DTC) DTC P0758 2-3 Shift Solenoid Circuit

6L90 Code (DTC) DTC P0758 2-3 Shift Solenoid Circuit

6L90 Code (DTC) DTC P1810 TFP Valve Position Switch Circuit

6L90 Code (DTC) DTC P1811 Maximum Adapt and Long Shift

6L90 Code (DTC) DTC P1860 TCC PWM Solenoid Circuit Electrical

6L90 Code (DTC) DTC P1860 TCC PWM Solenoid Circuit Electrical

6L90 Code (DTC) DTC P1887 TCC Release Switch Circuit