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.
Shift Solenoid Assembly, Shift Control Solenoids 1 and 2
1998 Mercury Sable V6-3.0L DOHC VIN SSECTION Shift Solenoid Assembly, Shift Control Solenoids 1 and 2
DESCRIPTION
Three ON/OFF solenoids are used for electronic shift scheduling. They are Shift Solenoid Assemblies (SS1, SS2, SS3). The three solenoids are located in the main control valve body. The solenoids are two-way, normally open style. Solenoids SS1, SS2, and SS3 provide gear selection of 1st through 4th by controlling the pressure of the three shift valves and the forward clutch control valve.
SS1
Symptoms
Improper gear selection depending on failure mode and gearshift lever position.
- Failed ON - 3rd gear only.
- Failed OFF - 1st and 2nd gear only.
DTCs
P0731**, P0732**, P0733**, P0734**, P0750*, P0751**, P1751**
SS2
Symptoms
Improper gear selection depending on failure mode and gearshift lever position.
- Failed ON - 1st and 4th gear only.
- Failed OFF - 2nd and 3rd gear only.
DTCs
P0731**, P0733**, P0734**, P0755*, P0756**, P1756**
SS3
Symptoms
Improper gear selection depending on failure mode and gearshift lever position.
- Failed ON - No engine braking.
- Failed OFF - No 4th gear.
DTCs:
P0734**, P0760*, P0761*, P1761**
** May also be generated by some non-electrical transaxle component condition.
* Output circuit check, generated only by electrical conditions.
OPERATION
Refer to the Shift Solenoid Operation Chart for normal solenoid operation for given operating modes. Shift Solenoid Operation Chart
Three ON/OFF solenoids are used for electronic shift scheduling. They are Shift Solenoid Assemblies (SS1, SS2, SS3). The three solenoids are located in the main control valve body. The solenoids are two-way, normally open style. Solenoids SS1, SS2, and SS3 provide gear selection of 1st through 4th by controlling the pressure of the three shift valves and the forward clutch control valve.
SS1
Symptoms
Improper gear selection depending on failure mode and gearshift lever position.
- Failed ON - 3rd gear only.
- Failed OFF - 1st and 2nd gear only.
DTCs
P0731**, P0732**, P0733**, P0734**, P0750*, P0751**, P1751**
SS2
Symptoms
Improper gear selection depending on failure mode and gearshift lever position.
- Failed ON - 1st and 4th gear only.
- Failed OFF - 2nd and 3rd gear only.
DTCs
P0731**, P0733**, P0734**, P0755*, P0756**, P1756**
SS3
Symptoms
Improper gear selection depending on failure mode and gearshift lever position.
- Failed ON - No engine braking.
- Failed OFF - No 4th gear.
DTCs:
P0734**, P0760*, P0761*, P1761**
** May also be generated by some non-electrical transaxle component condition.
* Output circuit check, generated only by electrical conditions.
OPERATION
Refer to the Shift Solenoid Operation Chart for normal solenoid operation for given operating modes. Shift Solenoid Operation Chart
RENDER: 1.0x
NO RELATED
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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.