OBD Guide

U1827

Lost Communication With Steering Angle Sensor Module On Powertrain Expansion CAN Bus

U1827 is an OBD-II diagnostic trouble code meaning: Lost Communication With Steering Angle Sensor Module On Powertrain Expansion CAN Bus. Common causes: malfunction of the steering angle sensor, open or short circuit in wiring. Estimated repair cost: $33–167.

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

Symptoms

  • Check Engine Light Is On
  • Disabling the ESP/ESC system
  • Unstable operation of the driving assistance system
  • Problems with cruise control
  • Error message on the dashboard

Causes

  • Malfunction of the steering angle sensor
  • Open or short circuit in wiring
  • Problems with the CAN bus
  • Control unit malfunction
  • Poor contact in connectors

How to Fix

  1. Check the power supply and ground of the sensor
  2. Inspect the wiring harness for damage
  3. Check CAN bus connections
  4. Test the steering angle sensor
  5. Scan for errors in other modules

Related codes

FAQ

What does the U1827 code mean?

U1827 is an OBD-II diagnostic trouble code that indicates: Lost Communication With Steering Angle Sensor Module On Powertrain Expansion CAN Bus

What causes a U1827 error code?

The most common causes of U1827 include: Malfunction of the steering angle sensor; Open or short circuit in wiring; Problems with the CAN bus; Control unit malfunction.

How do I fix a U1827 diagnostic trouble code?

To fix U1827: Check the power supply and ground of the sensor. Inspect the wiring harness for damage. Check CAN bus connections. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with U1827?

Limited driving only, diagnose soon

How much does it cost to fix U1827?

The estimated repair cost for U1827 is $33–167. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat