OBD Guide

C1434

Steering Angle Sensor Output Malfunction

C1434 is an OBD-II diagnostic trouble code meaning: Steering Angle Sensor Output Malfunction. Common causes: malfunction of the steering angle sensor, open or short circuit in wiring harness. Estimated repair cost: $56–167.

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

Symptoms

  • ESP/ESC indicator is on
  • Loss of power steering functions
  • Unstable operation of stabilization systems
  • Difficult to control at high speeds

Causes

  • Malfunction of the steering angle sensor
  • Open or short circuit in wiring harness
  • Poor contact in sensor connectors
  • Malfunction of the stabilization systems control unit
  • Sensor calibration required

How to Fix

  1. Visually check the sensor and wiring harness for damage
  2. Check the contacts in the sensor and control unit connectors
  3. Measure resistance and voltage at the sensor
  4. Check the sensor signal using an oscilloscope
  5. If necessary, replace the sensor or wiring harness
  6. Calibrate the sensor using diagnostic equipment

Related codes

FAQ

What does the C1434 code mean?

C1434 is an OBD-II diagnostic trouble code that indicates: Steering Angle Sensor Output Malfunction

What causes a C1434 error code?

The most common causes of C1434 include: Malfunction of the steering angle sensor; Open or short circuit in wiring harness; Poor contact in sensor connectors; Malfunction of the stabilization systems control unit.

How do I fix a C1434 diagnostic trouble code?

To fix C1434: Visually check the sensor and wiring harness for damage. Check the contacts in the sensor and control unit connectors. Measure resistance and voltage at the sensor. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with C1434?

Limited driving only, diagnose soon

How much does it cost to fix C1434?

The estimated repair cost for C1434 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat