OBD Guide

B392C

Seat Bolster Memory Control Module Internal Malfunction

B392C is an OBD-II diagnostic trouble code meaning: Seat Bolster Memory Control Module Internal Malfunction. Common causes: failure of internal electronic components of the module, short circuit in the module circuit. Estimated repair cost: $167–333.

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

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

Related codes

Error B392C by Vehicle Brand

FAQ

What does the B392C code mean?

B392C is an OBD-II diagnostic trouble code that indicates: Seat Bolster Memory Control Module Internal Malfunction

What causes a B392C error code?

The most common causes of B392C include: 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.

How do I fix a B392C diagnostic trouble code?

To fix B392C: Module diagnostics using an OBD-II scanner. Checking the integrity of the wiring harness and contacts. Reboot or flash the module (if possible). For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B392C?

Limited driving only, diagnose soon

How much does it cost to fix B392C?

The estimated repair cost for B392C is $167–333. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat