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.
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HOMESERVICE MANUALSVOLVO1992740 L4-2320CC 2.3L DOHC B234F (CAN)REPAIR AND DIAGNOSISRELAYS AND MODULESRELAYS AND MODULES - BODY AND FRAMEPOWER SEAT CONTROL MODULESERVICE AND REPAIR
1992 Volvo 740 L4-2320cc 2.3L DOHC B234F (Can)
Power Seat Control Module: Service and Repair
1992 Volvo 740 L4-2320cc 2.3L DOHC B234F (Can)SECTION Service and Repair
Control module for power seat, change
Remove:
Preparations
- Remove battery negative lead and note any radio code.
- Remove seat from vehicle. Remove Seat From Vehicle
Connector
- Disconnect all 4 control module connectors.
Remove control module
- Unhook control module fixing plate at front edge.
- Lift fixing plate clear at front edge and remove control module.
Replace:
Replacement of control module
- Replace control module.
- Replace fixing plate at front edge.
- Replace the 4 connectors. Check that connectors are properly connected.
Replacement
- Replace seat in vehicle. Remove Seat From Vehicle
- Replace battery negative lead.
Check
- Calibrate seat.
- Check function.
Remove:
Preparations
- Remove battery negative lead and note any radio code.
- Remove seat from vehicle. Remove Seat From Vehicle
Connector
- Disconnect all 4 control module connectors.
Remove control module
- Unhook control module fixing plate at front edge.
- Lift fixing plate clear at front edge and remove control module.
Replace:
Replacement of control module
- Replace control module.
- Replace fixing plate at front edge.
- Replace the 4 connectors. Check that connectors are properly connected.
Replacement
- Replace seat in vehicle. Remove Seat From Vehicle
- Replace battery negative lead.
Check
- Calibrate seat.
- Check function.
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.