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Home >> Saturn >> 2002 >> LW200 Automatic >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Diagnosis - 4T40-E >> Self-Diagnostic System >> Diagnostic Trouble Code Definitions

Diagnostic Trouble Code Definitions

NOTE: Only transaxle related DTCs are listed. See DIAGNOSTIC TROUBLE CODE DEFINITIONS  table. For engine-related DTC definitions, see TROUBLE CODE DEFINITIONS article in GENERAL INFORMATION. For engine-related DTC diagnosis, 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.

There are 4 types of DTC categories:

  1. Type "A"

    Emissions related. Illuminates MIL the first time DTC sets.
  2. Type "B"

    Emissions related. Illuminates MIL if fault is active for 2 consecutive driving cycles.
  3. Type "C"

    Non-emissions related. Does not illuminate MIL, but may illuminate SERVICE light.
  4. Type "D"

    Non-emissions related. Does not illuminate MIL or SERVICE light.

DIAGNOSTIC TROUBLE CODE DEFINITIONS

DTC DTC Type Circuit Affected Or Malfunction
P0218  C Transmission Fluid Overheating
P0502  B Vehicle Speed Sensor Circuit - Low Input
P0503  B Vehicle Speed Sensor Circuit - Intermittent
P0705  A Transaxle Range Switch Circuit
P0711  C Transmission Fluid Temperature (TFT) Sensor Circuit Performance Malfunction
P0712  C Transmission Fluid Temperature (TFT) Sensor Circuit - Low Input
P0713  C Transmission Fluid Temperature (TFT) Sensor Circuit - High Input
P0716  B Input Speed Sensor Range Malfunction
P0717  B Input Speed Sensor Circuit - No Signal
P0719  D Brake Switch Circuit - High Voltage
P0724  D Brake Switch Circuit - Low Voltage
P0730  D Incorrect Gear Ratio
P0741  B TCC Circuit Inoperative - Stuck Off
P0742  A TCC Circuit Inoperative - Stuck On
P0748  D Pressure Control Solenoid Electrical Malfunction
P0751  B 1-2 Shift Solenoid Valve Performance - No 1st Or 4th Gear
P0752  B 1-2 Shift Solenoid Valve Performance - No 2nd Or 3rd Gear
P0753  A 1-2 Shift Solenoid Control Circuit
P0756  A 2-3 Shift Solenoid Valve Performance - No 1st Or 2nd Gear
P0757  A 2-3 Shift Solenoid Valve Performance - No 3rd Or 4th Gear
P0758  A 2-3 Shift Solenoid Control Circuit
P1810  B Transmission Fluid Pressure Switch Circuit
P1811  C Maximum Adapt & Long Shift
P1860  A TCC PWM Solenoid Circuit Electrical Malfunction
P1887  B TCC Release Switch Circuit Malfunction