OBD Guide
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B172E

Driver Seat Cushion Left Rear Haptic Movement

B172E is an OBD-II diagnostic trouble code meaning: Driver Seat Cushion Left Rear Haptic Movement. Common causes: open or short circuit in wiring harness, malfunction of the solenoid valve (solenoid). Estimated repair cost: $56–167.

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

Symptoms

  • Lack of haptic feedback in the seat
  • Security system malfunction indicator lights up
  • Diagnostic scanner memory error

Causes

  • Open or short circuit in wiring harness
  • Malfunction of the solenoid valve (solenoid)
  • Problems with the seat control unit
  • Poor contact in connectors
  • Software error in the control unit

How to Fix

  1. Diagnose the system using an OBD-II scanner
  2. Check the integrity of the wiring harness to the seat
  3. Check the resistance and operation of the solenoid
  4. Inspect connectors for oxidation or damage
  5. If necessary, replace faulty components
  6. Reset the error and check the system operation

Related codes

B172FB172DB1720

FAQ

What does the B172E code mean?

B172E is an OBD-II diagnostic trouble code that indicates: Driver Seat Cushion Left Rear Haptic Movement

What causes a B172E error code?

The most common causes of B172E include: Open or short circuit in wiring harness; Malfunction of the solenoid valve (solenoid); Problems with the seat control unit; Poor contact in connectors.

How do I fix a B172E diagnostic trouble code?

To fix B172E: Diagnose the system using an OBD-II scanner. Check the integrity of the wiring harness to the seat. Check the resistance and operation of the solenoid. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B172E?

Do not drive — repair immediately

How much does it cost to fix B172E?

The estimated repair cost for B172E is $56–167. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat