OBD Guide

U047D

Invalid Data Received From Restraints System Sensor M

U047D is an OBD-II diagnostic trouble code meaning: Invalid Data Received From Restraints System Sensor M. Common causes: safety sensor fault m, open or short circuit in the sensor circuit. 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 instrument panel
  • The airbag system may be disabled
  • Possible problems with seat belt pretensioners

Causes

  • Safety sensor fault M
  • Open or short circuit in the sensor circuit
  • Damage to the security system wiring harness
  • Corrosion of contacts or connectors
  • Software error in the control unit

How to Fix

  1. Diagnose the system using a scanner
  2. Check continuity of sensor M
  3. Inspect connectors and contacts for corrosion
  4. If necessary, replace the faulty sensor
  5. Repair only from an authorized dealer

Related codes

Error U047D by Vehicle Brand

FAQ

What does the U047D code mean?

U047D is an OBD-II diagnostic trouble code that indicates: Invalid Data Received From Restraints System Sensor M

What causes a U047D error code?

The most common causes of U047D include: Safety sensor fault M; Open or short circuit in the sensor circuit; Damage to the security system wiring harness; Corrosion of contacts or connectors.

How do I fix a U047D diagnostic trouble code?

To fix U047D: Diagnose the system using a scanner. Check continuity of sensor M. Inspect connectors and contacts for corrosion. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with U047D?

Do not drive โ€” repair immediately

How much does it cost to fix U047D?

The estimated repair cost for U047D is $56โ€“167. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version ยท NationStat