Diagnostic Trouble Code Definitions
WARNING: This page is about a different car, the 2003 GMC Sierra, 2003 GMC Cab & Chassis Sierra, 2003 Chevrolet Silverado, and 2003 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
Only transmission-related DTCs are listed. For engine-related DTC definitions, see appropriate SELF-DIAGNOSTICS article in ENGINE PERFORMANCE. These DTCs pertain to engine performance and must be repaired first, as engine performance and related component signals will affect transaxle operation and diagnosis.
DIAGNOSTIC TROUBLE CODE DEFINITIONS (1)
| DTC (2) | Description | ||||
|---|---|---|---|---|---|
| P0218 | Transmission Fluid Over Temperature | ||||
| P0500 | Vehicle Speed Sensor Circuit | ||||
| P0561 | Unrealistic Variations In Vehicle System Voltage | ||||
| P0562 | System Voltage Low | ||||
| P0563 | System Voltage High | ||||
| P0700 | MIL Illumination Requested | ||||
| P0701 | Transmission Control System Performance | ||||
| P0703 | Brake Switch Circuit | ||||
| P0708 | Transmission Range Sensor Circuit High Input | ||||
| P0711 | Transmission Fluid Temperature Sensor Circuit - Performance | ||||
| P0712 | Transmission Fluid Temperature Sensor Circuit - Low Input (High Temperature) | ||||
| P0713 | Transmission Fluid Temperature Sensor Circuit - High Input (Low Temperature) | ||||
| P0716 | Turbine Speed Sensor Circuit - Performance | ||||
| P0717 | Turbine Speed Sensor Circuit - No Signal | ||||
| P0721 | Output Speed Sensor Circuit - Performance | ||||
| P0722 | Output Speed Sensor Circuit - No Signal | ||||
| P0726 | Engine Speed Sensor Circuit - Performance | ||||
| P0727 | Engine Speed Sensor Circuit - No Signal | ||||
| P0731 | Incorrect 1st Gear Ratio | ||||
| P0732 | Incorrect 2nd Gear Ratio | ||||
| P0733 | Incorrect 3rd Gear Ratio | ||||
| P0734 | Incorrect 4th Gear Ratio | ||||
| P0735 | Incorrect 5th Gear Ratio | ||||
| P0736 | Incorrect Reverse Ratio | ||||
| P0741 | Torque Converter Clutch System Stuck Off | ||||
| P0742 | Torque Converter Clutch System Stuck On | ||||
| P0743 | Torque Converter Clutch - Electrical | ||||
| P0746 | Solenoid "A" Controlled Clutch Stuck Off | ||||
| P0747 | Solenoid "A" Controlled Clutch Stuck On | ||||
| P0748 | Pressure Control Solenoid "A" Electrical | ||||
| P0763 | Shift Solenoid "C" Electrical | ||||
| P0768 | Shift Solenoid "D" Electrical | ||||
| P0773 | Shift Solenoid "E" Electrical | ||||
| P0776 | Solenoid "B" Controlled Clutch Stuck Off | ||||
| P0777 | Solenoid "B" Controlled Clutch Stuck On | ||||
| P0778 | Pressure Control Solenoid "B" Electrical | ||||
| P0836 | 4-Wheel Drive Low Switch Circuit Malfunction | ||||
| P0840 | Pressure Switch Solenoid "C" Circuit Malfunction | ||||
| P0841 | Pressure Switch Solenoid "C" Circuit Stuck Open | ||||
| P0842 | Pressure Switch Solenoid "C" Circuit Stuck Closed | ||||
| P0843 | Pressure Switch Solenoid "C" Circuit High | ||||
| P0845 | Pressure Switch Solenoid "D" Circuit Malfunction | ||||
| P0846 | Pressure Switch Solenoid "D" Circuit Stuck Open | ||||
| P0847 | Pressure Switch Solenoid "D" Circuit Stuck Closed | ||||
| P0848 | Pressure Switch Solenoid "D" Circuit High | ||||
| P0870 | Pressure Switch "E" Circuit Malfunction | ||||
| P0871 | Pressure Switch Solenoid "E" Circuit Stuck Open | ||||
| P0872 | Pressure Switch Solenoid "E" Circuit Stuck Closed | ||||
| P0873 | Pressure Switch Solenoid "E" Circuit High | ||||
| P0875 | Reverse Pressure Switch Circuit Malfunction | ||||
| P0876 | Reverse Pressure Switch Circuit Stuck Open | ||||
| P0880 | TCM Power Input Signal | ||||
| P1571 | TCS PWM Circuit No Frequency | ||||
| P1688 | Unmanaged Engine Torque Delivered To TCM | ||||
| P1779 | Engine Torque Delivered To TCM | ||||
| P2810 | Pressure control shift solenoid G | ||||
| U2105 | CAN Bus PCM Error | ||||
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