OBD Guide

C1A46

Yaw Rate Sensor

C1A46 is an OBD-II diagnostic trouble code meaning: Yaw Rate Sensor. Common causes: malfunction of the angular rate sensor, 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

  • The ESP/ABS indicator on the dashboard is on
  • Disabling stability control
  • Incorrect operation of the stabilization system
  • Possible errors in other passive safety systems

Causes

  • Malfunction of the angular rate sensor
  • Open or shorted wiring harness
  • Poor contact in the sensor connector
  • Problems with the ESP control unit
  • Mechanical damage to the sensor (shock, vibration)

How to Fix

  1. Diagnostics with a scanner to confirm the code
  2. Visual inspection of the sensor and wiring harness
  3. Checking the resistance and voltage in the sensor circuit
  4. Cleaning the connector contacts
  5. Replace the sensor if necessary
  6. Programming a new sensor (if required)

Related codes

FAQ

What does the C1A46 code mean?

C1A46 is an OBD-II diagnostic trouble code that indicates: Yaw Rate Sensor

What causes a C1A46 error code?

The most common causes of C1A46 include: Malfunction of the angular rate sensor; Open or shorted wiring harness; Poor contact in the sensor connector; Problems with the ESP control unit.

How do I fix a C1A46 diagnostic trouble code?

To fix C1A46: Diagnostics with a scanner to confirm the code. Visual inspection of the sensor and wiring harness. Checking the resistance and voltage in the sensor circuit. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with C1A46?

Limited driving only, diagnose soon

How much does it cost to fix C1A46?

The estimated repair cost for C1A46 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat