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.
1999 Saturn SW1 AutomaticFACTORY OEM SERVICE PROCEDURE
Automatic Transmission DTCS
AUTOMATIC TRANSMISSION DIAGNOSTIC TROUBLE CODE (DTC) LIST
| DTC | DEFINITION |
|---|---|
| P0702 | Transaxle Actuators Lost Power |
| P0705 | Park/Neutral Position Switch - Undefined Data |
| P0706 | Park/Neutral Position Switch - Invalid Data |
| P0708 | Park/Neutral Position Switch - No Data |
| P0710 | Transaxle Fluid Temp., Intake Air Temp., Engine Coolant Temp. Sensor Malfunction |
| P0711 | Transaxle Fluid Temp., Intake Air Temp., Engine Coolant Temp. Sensor Performance |
| P0712 | Transaxle Fluid Temperature Sensor Circuit Grounded |
| P0713 | Transaxle Fluid Temperature Sensor Circuit Open |
| P0714 | Transaxle Fluid Temperature Sensor Circuit Intermittent |
| P0716 | Turbine Shaft Speed Sensor Signal Noise |
| P0717 | Turbine Shaft Speed Sensor - No Signal |
| P0721 | Vehicle Speed Sensor Noise |
| P0722 | Vehicle Speed Sensor - No Signal |
| P0727 | Engine Speed Signal Invalid |
| P0730 | No Gears Available |
| P0731 | No 1st Gear |
| P0732 | No 2nd Gear |
| P0733 | No 3rd Gear |
| P0734 | No 4th Gear |
| P0740 | TCC Actuator Circuit Grounded/Open |
| P0741 | TCC Actuator - No TCC |
| P0742 | TCC Actuator - TCC Stuck On |
| P0743 | TCC Actuator Circuit Shorted To Voltage |
| P0744 | TCC Actuator Circuit Intermittent Fault |
| P0745 | Low Line Pressure |
| P0746 | Line Pressure Circuit Grounded/Open |
| P0747 | Line Pressure Circuit Shorted To Voltage |
| P0748 | Line Pressure High |
| P0749 | Line Pressure Circuit Intermittent Fault |
| P0756 | 2nd Gear Actuator Circuit Grounded/Open |
| P0758 | 2nd Gear Actuator Circuit Shorted To Voltage |
| P0759 | 2nd Gear Actuator Circuit Intermittent Fault |
| P0761 | 3rd Gear Actuator Circuit Grounded/Open |
| P0763 | 3rd Gear Actuator Circuit Shorted To Voltage |
| P0764 | 3rd Gear Actuator Circuit Intermittent Fault |
| P0766 | 4th Gear Actuator Circuit Grounded/Open |
| P0768 | 4th Gear Actuator Circuit Shorted To Voltage |
| P0769 | 4th Gear Actuator Circuit Intermittent Fault |
| P0781 | 2nd Gear Stuck On |
| P0782 | 3rd Gear Stuck On |
| P0783 | 4th Gear Stuck On |
Factory Service Tools
Use the Manual With the Right Hardware
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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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