OBD Guide

U1471

Implausible Data Received From Left Frontal Acceleration Sensor

U1471 is an OBD-II diagnostic trouble code meaning: Implausible Data Received From Left Frontal Acceleration Sensor. Common causes: damage to the left front impact sensor, open or short circuit in the sensor circuit. Estimated repair cost: $56–167.

Severity
🔴 High
Can you drive?
Do not drive — repair immediately
Approx. repair cost
$56–167 (est.)

Symptoms

  • Airbag light is on
  • The airbag system can be deactivated
  • The error is stored in the ECU memory
  • Possible false alarms of the security system

Causes

  • Damage to the left front impact sensor
  • Open or short circuit in the sensor circuit
  • Poor contact in the sensor connector
  • Problems with the airbag module (SDM)
  • Corrosion of electrical connections

How to Fix

  1. Check the integrity of the sensor and its fastening
  2. Check the condition of the wiring and connectors
  3. Measure resistance and voltage at the sensor
  4. Scan the system for other fault codes
  5. Replace sensor if necessary
  6. Repair only from an authorized dealer

Related codes

FAQ

What does the U1471 code mean?

U1471 is an OBD-II diagnostic trouble code that indicates: Implausible Data Received From Left Frontal Acceleration Sensor

What causes a U1471 error code?

The most common causes of U1471 include: Damage to the left front impact sensor; Open or short circuit in the sensor circuit; Poor contact in the sensor connector; Problems with the airbag module (SDM).

How do I fix a U1471 diagnostic trouble code?

To fix U1471: Check the integrity of the sensor and its fastening. Check the condition of the wiring and connectors. Measure resistance and voltage at the sensor. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with U1471?

Do not drive — repair immediately

How much does it cost to fix U1471?

The estimated repair cost for U1471 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat