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.
1998 Mercury Villager GS, Van CargoFACTORY OEM SERVICE PROCEDURE
Automatic Transmission Electronic Controls Diagnosis DTCS: Re4F04A/V
RE4F04A/V DIAGNOSTIC TROUBLE CODE (DTC) LIST
| OBD-II/MIL | DTC Description |
|---|---|
| P0000/0505 | No Codes In System |
| DTC P0705/1101 | Inhibitor Switch |
| DTC P0710/1208 | Transmission Fluid Temperature (Tft) Sensor |
| DTC P0720/1102 | A/T Revolution Sensor (Vehicle Speed Sensor) |
| DTC P0725/1207 | Engine Speed Signal Ckt |
| DTC P0731/1103 Malfunction cannot be displayed by MIL if another malfunction is assigned to OD OFF/POWER light. | A/T 1st Signal |
| DTC P0732/1104 Malfunction cannot be displayed by MIL if another malfunction is assigned to OD OFF/POWER light. | A/T 2nd Signal |
| DTC P0733/1105 Malfunction cannot be displayed by MIL if another malfunction is assigned to OD OFF/POWER light. | A/T 3rd Signal |
| DTC P0734/1106 Malfunction cannot be displayed by MIL if another malfunction is assigned to OD OFF/POWER light. | A/T 4th Signal Or TCC |
| DTC P0740/1204 | TCC Solenoid Valve |
| DTC P0744/1107 | TCC Solenoid Valve |
| DTC P0745/1205 | Line Pressure Solenoid Valve |
| DTC P0750/1108 | Shift Solenoid Valve "A" |
| DTC P0755/1201 | Shift Solenoid Valve "B" |
| DTC P1705/1206 | Throttle Position Sensor Or Switch |
| DTC P1760/1203 | Overrun Clutch Solenoid Valve |
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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