B3920

Seat Motors Group 1 Common Circuit

Severity

⚠️ Medium

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$56–167 (est.)

Symptoms

Seat cannot be adjusted
Intermittent operation of seat motors
Control module protection tripped

Causes

Open or shorted wiring harness
Faulty relay or fuse
Seat control module problem
Contact corrosion
Malfunction of one of the group motors

How to Fix

Check motor circuit fuses and relays
Inspect the wiring harness for damage
Check the power and ground at the motor contacts
Check the operation of each motor in the group separately
If necessary, replace the faulty component

Related codes

B3921-B3929 B3910-B3919