OBD Guide
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C1144

Steering Angle Sensor Signal

C1144 is an OBD-II diagnostic trouble code meaning: Steering Angle Sensor Signal. Common causes: faulty steering angle sensor, damage to the wiring or sensor connector. Estimated repair cost: $6–133.

Severity
🔴 High
Can you drive?
Do not drive — repair immediately
Approx. repair cost
$6–133 (est.)

Symptoms

  • The ESP/ESC/VSC indicator or steering warning light is on
  • Disabling the course stabilization system
  • Incorrect operation of ABS when cornering
  • Code C1144 when diagnosing with a scanner
  • Possible loss of electric power steering function (on vehicles with EPAS)

Causes

  • Faulty steering angle sensor
  • Damage to the wiring or sensor connector
  • Open or short circuit in the CAN-Bus circuit
  • Mechanical damage to the sensor during an accident or replacement of steering components
  • Incorrect sensor calibration after repair

How to Fix

  1. Read all error codes with a diagnostic scanner, pay attention to CAN-Bus errors
  2. Check the electrical connector of the steering angle sensor for oxidation and damage.
  3. Measure the supply voltage and signal wire integrity with a multimeter
  4. Perform a sensor test in live data mode - the angle should change smoothly
  5. Replace the steering angle sensor if it is confirmed to be faulty
  6. After replacement, be sure to perform zero position calibration

Related codes

C1079C1306C1192C0045

FAQ

What does the C1144 code mean?

C1144 is an OBD-II diagnostic trouble code that indicates: Steering Angle Sensor Signal

What causes a C1144 error code?

The most common causes of C1144 include: Faulty steering angle sensor; Damage to the wiring or sensor connector; Open or short circuit in the CAN-Bus circuit; Mechanical damage to the sensor during an accident or replacement of steering components.

How do I fix a C1144 diagnostic trouble code?

To fix C1144: Read all error codes with a diagnostic scanner, pay attention to CAN-Bus errors. Check the electrical connector of the steering angle sensor for oxidation and damage.. Measure the supply voltage and signal wire integrity with a multimeter. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with C1144?

Do not drive — repair immediately

How much does it cost to fix C1144?

The estimated repair cost for C1144 is $6–133. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat