OBD Guide

U0174

Lost Communication With Restraints System Sensor E

U0174 is an OBD-II diagnostic trouble code meaning: Lost Communication With Restraints System Sensor E. Common causes: broken or damaged wiring to the sensor, security sensor malfunction. Estimated repair cost: $56โ€“167.

Severity
๐Ÿ”ด High
Can you drive?
Do not drive โ€” repair immediately
Approx. repair cost
$56โ€“167 (est.)

Symptoms

  • Airbag light is on
  • Security error message on dashboard
  • The safety system may not work in an accident
  • Possible problems with the operation of seat belts

Causes

  • Broken or damaged wiring to the sensor
  • Security sensor malfunction
  • Connector problems or contact corrosion
  • Airbag control module malfunction
  • Security system power supply problems

How to Fix

  1. Check the integrity of the wiring to sensor E
  2. Inspect the connectors and contacts of the sensor
  3. Check the functionality of the sensor
  4. Scan the system for other fault codes
  5. Repair only from an authorized dealer

Related codes

Error U0174 by Vehicle Brand

FAQ

What does the U0174 code mean?

U0174 is an OBD-II diagnostic trouble code that indicates: Lost Communication With Restraints System Sensor E

What causes a U0174 error code?

The most common causes of U0174 include: Broken or damaged wiring to the sensor; Security sensor malfunction; Connector problems or contact corrosion; Airbag control module malfunction.

How do I fix a U0174 diagnostic trouble code?

To fix U0174: Check the integrity of the wiring to sensor E. Inspect the connectors and contacts of the sensor. Check the functionality of the sensor. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with U0174?

Do not drive โ€” repair immediately

How much does it cost to fix U0174?

The estimated repair cost for U0174 is $56โ€“167. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version ยท NationStat