B3941

Front Seat Heaters Circuit

Severity

⚠️ Medium

Can you drive?

Yes, but get it checked soon

Approx. repair cost

$33–167 (est.)

Symptoms

The heating of one or both front seats does not work
Seat heating indicator flashes
Heating operates unevenly or turns off after a short time

Causes

Open or short circuit in wiring harness
Seat heating element malfunction
Problems with the seat heating control unit
Blown fuse
Heating relay malfunction
Poor contact in connectors

How to Fix

Check the fuses associated with the heated seat system
Inspect the wiring harness for damage
Check the integrity of the heating elements
Diagnose the seat heating control unit
Check the operation of the heating relay
Clean and process contacts in connectors

Related codes

B3942 B3940 B1401