Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
2003 Saturn LW200FACTORY OEM SERVICE PROCEDURE
Diagnostic Trouble Code Definitions
NOTE:
Use of Tech 2 or generic OBD-II scan tool is required to retrieve Diagnostic Trouble Codes (DTC). Refer to user reference manual supplied with scan tool.
DIAGNOSTIC TROUBLE CODE DEFINITIONS
| DTC | Description | (1) Code Type | ||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| BXXXX (2) | Body Control System Malfunction | N/A | ||||||||||||||||||
| CXXXX (2) | Chassis Control System Malfunction | N/A | ||||||||||||||||||
| P0105 | MAP Sensor Circuit Range/Performance | B | ||||||||||||||||||
| P0107 | MAP Sensor Circuit - Low Voltage | B | ||||||||||||||||||
| P0108 | MAP Sensor Circuit - High Voltage | B | ||||||||||||||||||
| P0112 | IAT Sensor Circuit - Low Voltage | B | ||||||||||||||||||
| P0113 | IAT Sensor Circuit - High Voltage | B | ||||||||||||||||||
| P0117 | ECT Sensor Circuit - Low Voltage | B | ||||||||||||||||||
| P0118 | ECT Sensor Circuit - High Voltage | B | ||||||||||||||||||
| P0122 | TP Sensor Circuit - Low Voltage | B | ||||||||||||||||||
| P0123 | TP Sensor Circuit - High Voltage | B | ||||||||||||||||||
| P0125 | ECT Excessive Time To Enter Closed Loop Fuel Control | B | ||||||||||||||||||
| P0128 | Coolant Thermostat (Coolant Temp. Below Thermostat Regulating Temperature) | B | ||||||||||||||||||
| P0130 | HO2S Circuit - Bank 1; Sensor 1 | B | ||||||||||||||||||
| P0131 | HO2S Circuit - Low Voltage (Bank 1; Sensor 1) | B | ||||||||||||||||||
| P0132 | HO2S Circuit - High Voltage (Bank 1; Sensor 1) | B | ||||||||||||||||||
| P0133 | HO2S Slow Response - Bank 1; Sensor 1 | B | ||||||||||||||||||
| P0134 | HO2S Circuit - Insufficient Activity (Bank 1; Sensor 1) | B | ||||||||||||||||||
| P0135 Or P0141 | HO2S Heater Circuit - Bank 1; Sensor 1 Or 2 | B | ||||||||||||||||||
| P0137 | HO2S Circuit - Low Voltage (Bank 1; Sensor 2) | B | ||||||||||||||||||
| P0138 | HO2S Circuit - High Voltage (Bank 1; Sensor 2) | B | ||||||||||||||||||
| P0140 | HO2S Circuit Insufficient Activity (Bank 1; Sensor 2) | B | ||||||||||||||||||
| P0171 | Fuel Trim System Lean - Bank 1 | B | ||||||||||||||||||
| P0172 | Fuel Trim System Rich - Bank 1 | B | ||||||||||||||||||
| P0201-P0204 | Injector Control Circuit | B | ||||||||||||||||||
| P0218 (3) | Transaxle Fluid Over Temperature | C | ||||||||||||||||||
| P0300 | Engine Misfire Detected | (4) | ||||||||||||||||||
| P0301-P0304 | Cylinders No. 1-4 Misfire Detected | (4) | ||||||||||||||||||
| P0326 | Knock Sensor Performance | D | ||||||||||||||||||
| P0327 | Knock Sensor Circuit | B | ||||||||||||||||||
| P0336 | Crankshaft Position Sensor Circuit | B | ||||||||||||||||||
| P0340 | Camshaft Position Sensor Circuit | B | ||||||||||||||||||
| P0341 | Camshaft Position Sensor "A" - Circuit Performance (Bank 1) | B | ||||||||||||||||||
| P0410 | Secondary Air Injection System | B | ||||||||||||||||||
| P0420 | Catalyst System Efficiency Below Threshold (Bank 1) | A | ||||||||||||||||||
| P0440 | Evaporative Emission System | A | ||||||||||||||||||
| P0442 | EVAP System - Small Leak Detected | A | ||||||||||||||||||
| P0446 | EVAP Vent Solenoid Valve Control System | A | ||||||||||||||||||
| P0452 | EVAP Fuel Tank Pressure Sensor Circuit - Low Voltage | A | ||||||||||||||||||
| P0453 | EVAP Fuel Tank Pressure Sensor Circuit - High Voltage | A | ||||||||||||||||||
| P0461 (5) | Fuel Level Sensor Circuit Range/Performance | C | ||||||||||||||||||
| P0462 (5) | Fuel Level Sensor Circuit - Low Voltage | C | ||||||||||||||||||
| P0463 (5) | Fuel Level Sensor Circuit - High Voltage | C | ||||||||||||||||||
| P0480 (6) | Coolant Fan 1 Control Circuit | B | ||||||||||||||||||
| P0481 (6) | Coolant Fan Relay 2 Control Circuit | B | ||||||||||||||||||
| P0502 (3) | Vehicle Speed Sensor Circuit - Low Input | B | ||||||||||||||||||
| P0503 (3) | Vehicle Speed Sensor Circuit - Intermittent | B | ||||||||||||||||||
| P0506 | Idle Speed Low | B | ||||||||||||||||||
| P0507 | Idle Speed High | B | ||||||||||||||||||
| P0530 (7) | A/C Refrigerant Pressure Sensor Circuit | C | ||||||||||||||||||
| P0562 (8) | System Voltage Low | C | ||||||||||||||||||
| P0563 (8) | System Voltage High | C | ||||||||||||||||||
| P0601-P0607, P1600, P1621, P1627, P1680, P1681, P1683 Or P2610 | PCM Memory | A | ||||||||||||||||||
| P0621 (8) | GEN Light "L" Control Circuit | C | ||||||||||||||||||
| P0622 (8) | GEN Field "F" Control Circuit | C | ||||||||||||||||||
| P0705 (3) | Transmission Range Sensor Circuit (PRNDL Input) | C | ||||||||||||||||||
| P0711 (3) | TFT Sensor Circuit - Range/Performance | C | ||||||||||||||||||
| P0712 (3) | TFT Sensor Circuit - Low Voltage/High Temperature | C | ||||||||||||||||||
| P0713 (3) | TFT Sensor Circuit - High Voltage/Low Temperature | C | ||||||||||||||||||
| P0716 (3) | Input Speed Sensor Circuit - Range/Performance | B | ||||||||||||||||||
| P0717 (3) | Input Speed Sensor Circuit - No Signal | B | ||||||||||||||||||
| P0719 (3) | Brake Switch 2 Circuit - Low Voltage | C | ||||||||||||||||||
| P0724 (3) | Brake Switch 2 Circuit - High Voltage | C | ||||||||||||||||||
| P0730 (3) | Incorrect Gear Ratio | C | ||||||||||||||||||
| P0741 (3) | TCC Stuck Off | B | ||||||||||||||||||
| P0742 (3) | TCC Stuck On | A | ||||||||||||||||||
| P0748 (3) | Pressure Control Solenoid Electrical Circuit | C | ||||||||||||||||||
| P0751 (3) | 1-2 Shift Solenoid Performance | B | ||||||||||||||||||
| P0752 | 1-2 Shift Solenoid Valve Performance - No 2nd Or 3rd Gear | B | ||||||||||||||||||
| P0753 (3) | 1-2 Shift Solenoid Electrical Circuit | A | ||||||||||||||||||
| P0756 (3) | 2-3 Shift Solenoid Performance | A | ||||||||||||||||||
| P0757 | 2-3 Shift Solenoid Valve Performance - No 3rd Or 4th Gear | A | ||||||||||||||||||
| P0758 (3) | 2-3 Shift Solenoid Electrical Circuit | A | ||||||||||||||||||
| P1133 | HO2S Insufficient Switching - Bank 1; Sensor 1 | B | ||||||||||||||||||
| P1134 | HO2S Transition Time Ratio - Bank 1; Sensor 1 | B | ||||||||||||||||||
| P1137 | HO2S Lean Or Low Voltage - Bank 1; Sensor 2 | B | ||||||||||||||||||
| P1138 | HO2S Rich Or High Voltage - Bank 1; Sensor 2 | B | ||||||||||||||||||
| P1171 | Fuel System Lean During Acceleration | C | ||||||||||||||||||
| P1336 | Crankshaft Position System Variation Not Learned | A | ||||||||||||||||||
| P1441 | EVAP System Flow During Non-Purge | A | ||||||||||||||||||
| P1599 | Engine Stall Or Near Stall Detected | D | ||||||||||||||||||
| P1630 (9) | PCM In Theft Learn Mode | C | ||||||||||||||||||
| P1631 (9) | Theft Deterrent System - Password Incorrect | C | ||||||||||||||||||
| P1632 (9) | Theft Deterrent System - Fuel Disabled | C | ||||||||||||||||||
| P1640 | Control Module Output Circuit | C | ||||||||||||||||||
| P1810 (3) | TFP Valve Position Switch Circuit | B | ||||||||||||||||||
| P1811 (3) | Maximum Adapt & Long Shift | C | ||||||||||||||||||
| P1815 (3) | TFP Valve Position Switch Circuit | B | ||||||||||||||||||
| P1816 (3) | TFP Valve Position Switch Circuit | B | ||||||||||||||||||
| P1817 (3) | TFP Valve Position Switch Circuit | B | ||||||||||||||||||
| P1818 (3) | TFP Valve Position Switch Circuit | B | ||||||||||||||||||
| P1860 (3) | TCC PWM Solenoid Electrical Circuit | A | ||||||||||||||||||
| P1887 (3) | TCC Release Switch Circuit | B | ||||||||||||||||||
| UXXXX (2) | Communication System Malfunction | N/A | ||||||||||||||||||
|
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Factory Service Tools
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.
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