OBD Guide
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U2143

Lost Communications With Steering Angle Sensor

U2143 is an OBD-II diagnostic trouble code meaning: Lost Communications With Steering Angle Sensor. Common causes: broken or damaged wiring to the sensor, malfunction of the steering angle sensor itself. Estimated repair cost: $33–167.

Severity
🔴 High
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$33–167 (est.)

Symptoms

  • CHECK ENGINE indicator is on
  • Disabling the ESP/ESC system
  • Disabling the parking assist system
  • Tight steering
  • Incorrect operation of cruise control

Causes

  • Broken or damaged wiring to the sensor
  • Malfunction of the steering angle sensor itself
  • Connector problems or contact corrosion
  • Computer malfunctions
  • Blown sensor circuit fuse

How to Fix

  1. Check the integrity of the sensor circuit fuses
  2. Inspect the wiring harness and sensor connectors for damage.
  3. Check the presence of power and ground on the sensor
  4. Scan for additional trouble codes
  5. Replacing the steering angle sensor if necessary

Related codes

U2142U2147U2157

FAQ

What does the U2143 code mean?

U2143 is an OBD-II diagnostic trouble code that indicates: Lost Communications With Steering Angle Sensor

What causes a U2143 error code?

The most common causes of U2143 include: Broken or damaged wiring to the sensor; Malfunction of the steering angle sensor itself; Connector problems or contact corrosion; Computer malfunctions.

How do I fix a U2143 diagnostic trouble code?

To fix U2143: Check the integrity of the sensor circuit fuses. Inspect the wiring harness and sensor connectors for damage.. Check the presence of power and ground on the sensor. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with U2143?

Limited driving only, diagnose soon

How much does it cost to fix U2143?

The estimated repair cost for U2143 is $33–167. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat