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 SL2 Automatic, MP6FACTORY 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.