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.
2000 Volvo S70 Base, AutomaticFACTORY OEM SERVICE PROCEDURE
Power Seats
- Description & Operation
- Trouble Shooting
- Self-Diagnostic System
- Diagnostic Tests
- DTC 112: Motor No. 1 Signal High
- DTC 121: Motor No. 2 Signal High
- DTC 122: Motor No. 3 Signal High
- DTC 123: Motor No. 1 Movement Not Permitted
- DTC 131: Motor No. 2 Movement Not Permitted
- DTC 132: Motor No. 3 Movement Not Permitted
- DTC 133: Motor No. 4 Movement Not Permitted
- DTC 143: Motor No. 1 Turning In Wrong Direction
- DTC 144: Motor No. 2 Turning In Wrong Direction
- DTC 211: Motor No. 4 Signal High
- DTC 212: Motor No. 1 Signal Low
- DTC 214: Motor No. 3 Turning In Wrong Direction
- DTC 222: Motor No. 2 Signal Low
- DTC 223: Motor No. 3 Signal Low
- DTC 224: Motor No. 4 Turning In Wrong Direction
- DTC 312: Motor No. 4 Signal Low
- DTC 321: Stored Memory Position No. 3 Fault
- DTC 322: Stored Memory Position No. 2 Fault
- DTC 323: Stored Memory Position No. 1 Fault
- DTC 331: Entry Position Not Stored
- DTC 332: Original Position Not Stored
- DTC 421: Control Module Fault
- DTC 422: Voltage Too Low For Memory Functions To Operate
- DTC 423: Control Button Activated Too Long
- DTC 424: Control Panel Not Connected
- Diagnostic Unit Voltage & Ground Test
- Symptom Tests
- System Tests
- Component Tests
- Removal & Installation
- Wiring Diagrams
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.