OBD Guide
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B221C

Memory Seat Module Internal

B221C is an OBD-II diagnostic trouble code meaning: Memory Seat Module Internal. Common causes: module firmware error, damage to internal module components. Estimated repair cost: $111–333.

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$111–333 (est.)

Symptoms

  • Inability to maintain seat position
  • Misaligned seat settings
  • Incorrect operation of seat memory

Causes

  • Module firmware error
  • Damage to internal module components
  • Wiring Harness Problems
  • Corrosion or oxidation of contacts

How to Fix

  1. Check wiring harness and module contacts
  2. Reflash the module if there are updates
  3. Replace the seat memory module if necessary

Related codes

B221DB221EB221F

FAQ

What does the B221C code mean?

B221C is an OBD-II diagnostic trouble code that indicates: Memory Seat Module Internal

What causes a B221C error code?

The most common causes of B221C include: Module firmware error; Damage to internal module components; Wiring Harness Problems; Corrosion or oxidation of contacts.

How do I fix a B221C diagnostic trouble code?

To fix B221C: Check wiring harness and module contacts. Reflash the module if there are updates. Replace the seat memory module if necessary. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B221C?

Yes, but get it checked soon

How much does it cost to fix B221C?

The estimated repair cost for B221C is $111–333. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat