B392C

Seat Bolster Memory Control Module Internal Malfunction

Severity

⚠️ Medium

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$167–333 (est.)

Symptoms

Failure to save seat side support settings
Malfunction of automatic adjustment of side seat cushions
Error indication on the instrument panel
Lack of module response to adjustment commands

Causes

Failure of internal electronic components of the module
Short circuit in the module circuit
Damage to the wiring harness connected to the module
Module software error
Corrosion of module contacts

How to Fix

Module diagnostics using an OBD-II scanner
Checking the integrity of the wiring harness and contacts
Reboot or flash the module (if possible)
Replacing the seat side support adjustment memory module

Related codes

B392D B392E U0155