OBD Guide
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C1439

Steering Angle Sensor Initialization Incomplete

C1439 is an OBD-II diagnostic trouble code meaning: Steering Angle Sensor Initialization Incomplete. Common causes: sensor calibration failed after replacement, malfunction of the steering angle sensor. Estimated repair cost: $56–167.

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

Symptoms

  • ESP/ABS indicator is on
  • Unstable operation of the stabilization system
  • Lack of steering response in parking assist systems

Causes

  • Sensor calibration failed after replacement
  • Malfunction of the steering angle sensor
  • Broken or damaged wiring harness
  • Problems with the ESP/ABS control unit

How to Fix

  1. Check the integrity of the sensor wiring harness
  2. Calibrate the steering angle sensor using diagnostic equipment
  3. Replace sensor if necessary
  4. Check the operation of the ESP/ABS system after repair

Related codes

C1140C1145C1210

FAQ

What does the C1439 code mean?

C1439 is an OBD-II diagnostic trouble code that indicates: Steering Angle Sensor Initialization Incomplete

What causes a C1439 error code?

The most common causes of C1439 include: Sensor calibration failed after replacement; Malfunction of the steering angle sensor; Broken or damaged wiring harness; Problems with the ESP/ABS control unit.

How do I fix a C1439 diagnostic trouble code?

To fix C1439: Check the integrity of the sensor wiring harness. Calibrate the steering angle sensor using diagnostic equipment. Replace sensor if necessary. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with C1439?

Limited driving only, diagnose soon

How much does it cost to fix C1439?

The estimated repair cost for C1439 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

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