Augest 16, 2007
Updated Augest 30, 2011


DIAGNOSTIC TROUBLE CODES (DTC's)

  • CHECK ENGINE LIGHT

    • Be aware that not all diagnostic trouble codes (DTC) trigger a check engine light. So even though the light is not on doesn't mean there isn't some valuable information being stored in the memory.
    Also on some vehicles the O/D cancel light will flash or stay on steady to warn you of a problem.

    DIAGNOSTIC TROUBLE CODES (DTC's)

  • P0120 Throttle Position Sensor Signal Circuit
  • P0122 Throttle Position Sensor/APPS Low
  • P0123 Throttle Position Sensor/APPS High
  • P0124 Throttle Position Sensor/APPS Intermittent
  • P0218 High Temperature Operation Activated
  • P0562 Low Battery Voltage
  • P0604 Internal TCM
  • P0605 Internal TCM
  • P0613 Internal TCM
  • P0700 Internal TCM
  • P0705 Check Shifter Signal
  • P0706 Check Shifter Signal
  • P0711 Trans Temp Sensor, No Temp Rise After Start
  • P0712 Trans Temp Sensor Voltage Too Low
  • P0713 Trans Temp Sensor Voltage Too High
  • P0714 Transmission Temperature Sensor Intermittent
  • P0715 Input Speed Sensor Error
  • P0720 Ouput Speed Sensor Error
  • P0725 Engine Speed Sensor Circuit
  • P0731 Gear Ratio Error in 1st
  • P0732 Gear Ratio Error in 2nd
  • P0733 Gear Ratio Error in 3rd
  • P0734 Gear Ratio Error in 4th
  • P0735 Gear Ratio Error in 4th Prime
  • P0736 Gear Ratio Error in Reverse
  • P0740 Torque Converter Clutch, No RPM Drop @ Lockup
  • P0743 Torque Converter Clutch Solenoid/Trans Relay Circuits
  • P0748 Pressure Solenoid Control/Trans Relay Circuits
  • P0750 LR Solenoid Circuit
  • P0751 O/D Switch Pressed (Lo) More Than 5 Minutes
  • P0753 Trans 3-4 Shift Solenoid/Trans Relay Circuits
  • P0755 2/4 Solenoid Circuit (41TE, 42LE)
  • P0755 2C Solenoid Circuit (45RFE)
  • P0760 OD Solenoid Circuit
  • P0765 UD Solenoid Circuit
  • P0770 4C Solenoid Circuit
  • P0783 3-4 Shift Solenoid, No RPM Drop @ Lockup
  • P0841 LR Pressure Switch Sense Circuit
  • P0845 2/4 Hydraulic Pressure Test Failure (41TE, 42LE)
  • P0846 2/4 Pressure Switch Sense Circuit (41TE, 42LE)
  • P0867 Line Pressure Fault
  • P0868 Line Pressure Low
  • P0869 Line Pressure High
  • P0870 OD Hydraulic Pressure Test Failure
  • P0871 OD Pressure Switch Sense Circuit
  • P0875 UD Hydraulic Pressure Test Failure
  • P0876 UD Pressure Switch Sense Circuit
  • P0884 Power Up at Speed
  • P0888 Relay Output Always Off
  • P0890 Switched Battery
  • P0891 Transmission Relay Always On
  • P0897 Worn Out/Burnt Transaxle Fluid
  • P0932 Line Pressure Sensor Fault
  • P0944 Loss of Prime
  • P0951 Autostick Sensor Circuit
  • P0952 Autostick Input Circuit Low
  • P0987 4C Hydraulic Pressure Test Failure
  • P0988 4C Pressure Switch Sense Circuit
  • P0992 2-4/OD Hydraulic Pressure Test Failure
  • P1652 Serial Communication Link Malfunction
  • P1684 Battery Was Disconnected
  • P1687 No Communication with MIC
  • P1694 BUS Communication with Engine Module
  • P1714 Low Battery Voltage
  • P1715 Restricted Port In T3 Range
  • P1716 BUS Communication with Engine Module
  • P1717 No Communication with MIC
  • P1726 UD Hydraulic Pressure Switch Circuit
  • P1727 4 C Hydraulic Pressure Switch Circuit
  • P1728 2C Hydraulic Pressure Switch Circuit
  • P1732 UD Pressure Switch Sense Circuit
  • P1733 4C Pressure Switch Sense Circuit
  • P1734 2C Pressure Switch Sense Circuit
  • P1735 Inadequate Element Volume 4C
  • P1736 Gear Ratio Error in 2nd Prime
  • P1738 High Temperature Logic Activated
  • P1739 Power Up at Speed
  • P1740 TCC O/D Solenoid Performance
  • P1756 Governor Pressure Not Equal to Target @ 15-20 PSI
  • P1757 Governor Pressure Above 3 PSI In Gear @ 0 MPH
  • P1762 Governor Pressure Sensor Offset Volts Too Low Or High
  • P1763 Governor Pressure Sensor Volts Too High
  • P1764 Governor Pressure Sensor Volts Too Low
  • P1765 Switched Battery
  • P1765 Trans 12 Volt Supply Relay Control Circuit
  • P1767 Relay Output Always On
  • P1768 Relay Output Always Off
  • P1770 Inadequate Element Volume LR
  • P1771 Inadequate Element Volume 2C
  • P1772 Inadequate Element Volume OD
  • P1773 Inadequate Element Volume UD
  • P1775 Solenoid Switch Valve Latched in TCC Possition
  • P1776 Solenoid Switch Valve Latched in LR Position
  • P1781 OD Pressure Switch Sense Circuit
  • P1782 2-4 Pressure Switch Sense Circuit
  • P1784 L-R Pressure Switch Sense Circuit
  • P1787 OD Hydraulic Pressure Switch Circuit
  • P1788 2-4 Hydraulic Pressure Switch Circuit
  • P1789 2-4/OD Hydraulic Pressure Switch Circuit
  • P1790 Fault Immediately After Shift
  • P1791 Loss of Prime
  • P1792 Battery Was Disconnected
  • P1793 TRD Link Communication Error
  • P1794 Speed Sensor Ground Error
  • P1795 Internal Transmission Controller
  • P1796 Autostick Input Circuit
  • P1797 Manual Shift Overheat
  • P1798 Worn out / Burnt Transaxle Fluid
  • P1799 Calculated Oil Temp In Use
  • P1789 Transmission System Failure

    GM DTC's

  • P0218 Transmission Fluid Over Temperature
  • P0502 Vehicle Speed Sensor (VSS) Circuit Low
  • P0503 Vehicle Speed Sensor (VSS) Circuit Intermittent
  • P0711 TFT Sensor Circuit Range/Performance
  • P0711 TFT Sensor Circuit Range/Performance
  • P0712 Transmission Fluid Temperature (TFT) Sensor Circuit Low
  • P0713 Transmission Fluid Temperature (TFT) Sensor Circuit High
  • P0716 Input Speed Sensor Circuit Intermittent
  • P0716 Input Speed Sensor Circuit Intermittent
  • P0717 Input Speed Sensor Circuit Low
  • P0719 Brake Switch Circuit Low
  • P0719 Brake Switch Circuit Low
  • P0724 Brake Switch Circuit High
  • P0730 Incorrect Gear Ratio
  • P0741 TCC System Stuck Off
  • P0742 TCC System Stuck On
  • P0748 Pressure Control Solenoid Circuit
  • P0751 1-2 Shift Solenoid Valve Performance
  • P0753 1-2 Shift Solenoid Circuit
  • P0756 2-3 Shift Solenoid Valve Performance
  • P0758 2-3 Shift Solenoid Circuit
  • P1810 TFP Valve Position Switch Circuit
  • P1811 Maximum Adapt and Long Shift
  • P1860 TCC PWM Solenoid Circuit Electrical
  • P1887 TCC Release Switch Circuit

    MORE CODES AND DEFINITIONS
     P0181 -P0432    P0433 -P0750    P0751 -P0785

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