OBD Guide

C161B

Active Yaw Control Direction Valve Left System

C161B is an OBD-II diagnostic trouble code meaning: Active Yaw Control Direction Valve Left System. Common causes: malfunction of the solenoid valve (solenoid), open or shorted wiring harness. Estimated repair cost: $56–167.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$56–167 (est.)

Symptoms

  • Deterioration in handling
  • Stabilization warning lamp lights up
  • Unstable car behavior when cornering

Causes

  • Malfunction of the solenoid valve (solenoid)
  • Open or shorted wiring harness
  • Problems with the hydraulic part of the system
  • Control unit malfunction

How to Fix

  1. Check the integrity of the wiring harness and connections
  2. Test solenoid resistance
  3. Check hydraulic lines for leaks
  4. Replacing a faulty valve or control unit if necessary

Related codes

FAQ

What does the C161B code mean?

C161B is an OBD-II diagnostic trouble code that indicates: Active Yaw Control Direction Valve Left System

What causes a C161B error code?

The most common causes of C161B include: Malfunction of the solenoid valve (solenoid); Open or shorted wiring harness; Problems with the hydraulic part of the system; Control unit malfunction.

How do I fix a C161B diagnostic trouble code?

To fix C161B: Check the integrity of the wiring harness and connections. Test solenoid resistance. Check hydraulic lines for leaks. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with C161B?

Limited driving only, diagnose soon

How much does it cost to fix C161B?

The estimated repair cost for C161B is $56–167. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat