This procedure covers the removal and replacement of the heated seat module in a 2024 Rivian EDV 500, including seat removal and electrical connector service.

Warnings

Tools required

Parts

• Heated seat module × 1 — Use OEM specification
• Seat wiring harness connector seals (if damaged) × 1 — Use OEM specification

Preparation

1. Park vehicle on level surface and engage parking brake
2. Power down the vehicle completely using the center screen power-off sequence
3. Open all doors to ensure access if battery disconnect locks vehicle
4. Locate and disconnect the 12V auxiliary battery in the front cargo area
5. Wait minimum 10 minutes for airbag system capacitors to discharge
6. Move the affected seat to the full forward position for rear bolt access

Procedure

1. 1

   Remove seat lower trim covers
   Using trim panel removal tools, carefully pry off the plastic covers at the base of the seat on both sides. These covers conceal the seat mounting bolts. Start at the rear edge and work forward to release the clips without breaking them.
2. 2

   Disconnect seat electrical connectors
   Locate the main electrical connector under the seat. Press the release tab and disconnect the primary harness connector. Identify and disconnect the secondary heated seat module connector, which is typically a 4-pin connector with red and black wires. Note the routing of all wires for reinstallation.
3. 3

   Remove seat mounting bolts
   Using a T40 Torx driver, remove the four seat mounting bolts (two front, two rear). The front bolts are accessed with the seat in the rear position, and rear bolts with the seat forward. Support the seat weight as you remove the final bolt. Seat weight is approximately 50-70 lbs.
4. 4

   Remove seat from vehicle
   With all bolts removed and connectors disconnected, carefully lift the seat assembly from the vehicle. Tilt slightly to clear the door opening and B-pillar trim. Place the seat on a protected work surface with the bottom facing up.
5. 5

   Remove seat bottom cover
   Locate the hog ring fasteners securing the seat bottom upholstery to the seat frame. Using hog ring pliers or cutting the rings carefully, remove enough fasteners to fold back the seat cushion and access the heated seat module. The module is typically located on the underside of the seat cushion foam.
6. 6

   Disconnect heated seat element connectors
   Identify the heated seat element connectors that plug into the module. These are typically two separate connectors for left and right heating zones. Note the orientation and carefully disconnect them from the module.
7. 7

   Remove heated seat module mounting
   Using a T30 Torx driver, remove the mounting screws securing the heated seat module to the seat frame or cushion bracket. Most modules are secured with 2-4 screws. Carefully remove the module and note its orientation and any thermal insulation padding.
8. 8

   Install new heated seat module
   Position the new heated seat module in the same location and orientation as the original. Install the mounting screws using the T30 Torx driver. Ensure any thermal insulation padding is properly positioned between the module and seat foam.
9. 9

   Reconnect heated element connectors
   Connect the seat heating element connectors to the new module, ensuring proper seating and audible clicks. Verify that left and right connectors are in their correct positions matching the original configuration.
10. 10

    Reinstall seat bottom cover
    Reposition the seat cushion and upholstery over the module. Install new hog rings or reuse existing fasteners to secure the upholstery to the seat frame. Ensure no wires are pinched and the cushion sits flat without bunching.
11. 11

    Reinstall seat assembly
    Carefully lift the seat and position it over the mounting points in the vehicle. Align all four mounting holes with the floor brackets. Hand-start all four T40 bolts before tightening to ensure proper alignment.
12. 12

    Reconnect seat electrical connectors
    Connect the heated seat module connector first, ensuring a positive click. Then connect the main seat wiring harness connector. Verify all connector locks are fully engaged and wiring is routed away from moving seat tracks.
13. 13

    Reinstall trim covers
    Snap the seat base trim covers back into position on both sides of the seat. Ensure all clips are fully engaged and covers sit flush with the seat base.
14. 14

    Reconnect battery and initialize
    Reconnect the 12V auxiliary battery in the front cargo area. Power on the vehicle and allow the system to initialize. This may take 2-3 minutes for all systems to come online.

Reassembly

1. Torque specifications are not available for this model year - tighten seat mounting bolts firmly and evenly
2. Ensure all electrical connectors are fully seated with locking tabs engaged
3. Verify seat cushion upholstery is smooth and properly aligned after module installation
4. Route all wiring away from seat tracks and moving components

Verification

• Power on the vehicle and navigate to seat heating controls on the center screen
• Test heated seat function at multiple heat levels (low, medium, high)
• Verify both heating zones activate if equipped with dual-zone heating
• Check for any warning messages or fault codes related to seat systems
• Verify seat movement in all directions is unrestricted and smooth
• Confirm no unusual sounds from seat area during heating operation
• Check that seat occupancy detection still functions properly for airbag system

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