OBD Guide
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B1C17

Passenger Active Headrest Control Circuit

B1C17 is an OBD-II diagnostic trouble code meaning: Passenger Active Headrest Control Circuit. Common causes: open or short circuit in control circuit, malfunction of the solenoid valve (solenoid). Estimated repair cost: $56–167.

Severity
⚠️ Medium
Can you drive?
Do not drive — repair immediately
Approx. repair cost
$56–167 (est.)

Symptoms

  • The active passenger head restraint does not work
  • The passive safety system malfunction indicator comes on
  • Error message on display

Causes

  • Open or short circuit in control circuit
  • Malfunction of the solenoid valve (solenoid)
  • Wiring harness damage
  • Malfunction of the control unit for the passive safety system
  • Fuse or relay problems

How to Fix

  1. Check the integrity of the wiring harness and connectors
  2. Check the condition of fuses and relays
  3. Check the operation of the solenoid valve (solenoid)
  4. Scan the control unit for additional errors
  5. Replace faulty components

Related codes

B1C16B1C18B1C19

FAQ

What does the B1C17 code mean?

B1C17 is an OBD-II diagnostic trouble code that indicates: Passenger Active Headrest Control Circuit

What causes a B1C17 error code?

The most common causes of B1C17 include: Open or short circuit in control circuit; Malfunction of the solenoid valve (solenoid); Wiring harness damage; Malfunction of the control unit for the passive safety system.

How do I fix a B1C17 diagnostic trouble code?

To fix B1C17: Check the integrity of the wiring harness and connectors. Check the condition of fuses and relays. Check the operation of the solenoid valve (solenoid). For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B1C17?

Do not drive — repair immediately

How much does it cost to fix B1C17?

The estimated repair cost for B1C17 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat