OBD Guide

C1034

Yaw Rate/G Sensor Assembly Power Supply Failure

C1034 is an OBD-II diagnostic trouble code meaning: Yaw Rate/G Sensor Assembly Power Supply Failure. Common causes: open or short circuit in the sensor wiring harness, faulty relay or power supply fuse. Estimated repair cost: $56–167.

Severity
🔴 High
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 the stabilization system
  • Incorrect ABS operation
  • Loss of stability data

Causes

  • Open or short circuit in the sensor wiring harness
  • Faulty relay or power supply fuse
  • Damage to the sensor connector
  • Failure of the angular velocity sensor itself
  • Circuit Grounding Problems

How to Fix

  1. Check fuses and relays associated with the ESP/ABS system
  2. Inspect the wiring harness for damage
  3. Check sensor connectors for corrosion or poor contact.
  4. Measure the sensor supply voltage (usually 5V or 12V)
  5. If necessary, replace the angular velocity sensor

Related codes

FAQ

What does the C1034 code mean?

C1034 is an OBD-II diagnostic trouble code that indicates: Yaw Rate/G Sensor Assembly Power Supply Failure

What causes a C1034 error code?

The most common causes of C1034 include: Open or short circuit in the sensor wiring harness; Faulty relay or power supply fuse; Damage to the sensor connector; Failure of the angular velocity sensor itself.

How do I fix a C1034 diagnostic trouble code?

To fix C1034: Check fuses and relays associated with the ESP/ABS system. Inspect the wiring harness for damage. Check sensor connectors for corrosion or poor contact.. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with C1034?

Limited driving only, diagnose soon

How much does it cost to fix C1034?

The estimated repair cost for C1034 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat