OBD Guide

C1956

Steering Angle Sensor Circuit Failure

C1956 is an OBD-II diagnostic trouble code meaning: Steering Angle Sensor Circuit Failure. Common causes: broken or damaged sensor wiring harness, poor contact in sensor connectors. Estimated repair cost: $56–167.

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

Symptoms

  • The ESC/ESP indicator on the dashboard is on
  • Deterioration in handling
  • Disabling the power steering system
  • Loss of adaptive cruise control functions

Causes

  • Broken or damaged sensor wiring harness
  • Poor contact in sensor connectors
  • Failure of the steering angle sensor
  • Problems with the ESC control unit
  • Short circuit in the sensor circuit

How to Fix

  1. Carry out diagnostics with a scanner to confirm the error.
  2. Visually inspect the sensor wiring harness and connectors
  3. Check the continuity of the sensor circuit with a multimeter
  4. Check the power supply and ground of the sensor
  5. If necessary, replace the steering angle sensor
  6. Clear error codes and check system operation

Related codes

FAQ

What does the C1956 code mean?

C1956 is an OBD-II diagnostic trouble code that indicates: Steering Angle Sensor Circuit Failure

What causes a C1956 error code?

The most common causes of C1956 include: Broken or damaged sensor wiring harness; Poor contact in sensor connectors; Failure of the steering angle sensor; Problems with the ESC control unit.

How do I fix a C1956 diagnostic trouble code?

To fix C1956: Carry out diagnostics with a scanner to confirm the error.. Visually inspect the sensor wiring harness and connectors. Check the continuity of the sensor circuit with a multimeter. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with C1956?

Limited driving only, diagnose soon

How much does it cost to fix C1956?

The estimated repair cost for C1956 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat