What Does U0246 Mean?
The vehicle's control network has lost communication with seat control module E. This affects power seat adjustments, memory functions, or heating/cooling features for that specific seat position.
Common Causes
35%
Damaged wiring harness under seat or at seat track
25%
Failed Seat Control Module E
20%
Loose or corroded connector at seat module
15%
Blown fuse or loss of power to seat control module
5%
Seat position causing harness damage or pinching
Diagnostic Steps
1
Step 1: Check all fuses related to seat control module E and verify power and ground at module connector
2
Step 2: Move seat to multiple positions and inspect wiring harness under seat for pinching, fraying, or damage at flex points
3
Step 3: Disconnect seat control module connector and inspect for corrosion, bent pins, or moisture damage
4
Step 4: Test CAN bus communication at seat module connector and verify proper voltage levels
5
Step 5: Wiggle test harness while monitoring scan tool communication to identify intermittent faults; replace module if wiring is intact
Estimated Repair Cost
$200 - $900
Parts + labor, varies by vehicle and location
The vehicle's control network has lost communication with seat control module E. This affects power seat adjustments, memory functions, or heating/cooling features for that specific seat position.
The most common cause of U0246 (Lost Communication With "Seat Control Module E") is: Damaged wiring harness under seat or at seat track
Typical repair costs for U0246 range from $200 to $900, depending on the vehicle, location, and whether you do it yourself or go to a shop.
Power seat adjustments may be inoperative, potentially preventing proper seating position for safe driving. Ensure seat is in safe position before driving.
Start by connecting an OBD2 scanner to read the code and any freeze frame data. Then follow the diagnostic steps specific to U0246 to identify the root cause.
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Quick Info
Category
Network
System
Seat Control System / Communication Network
Difficulty
Type
Generic (SAE)
Recommended Tools
OBD2 Scanner
A quality scan tool helps you read codes, view live data, and clear faults.
