OBD Codes

B0211

SRS Deployment Commanded with Fault Present

Criticalelectrical

Overview

The B0211 code indicates that the body control module has detected a srs deployment commanded with fault present condition. This relates to the vehicle's body electrical systems, which control comfort, convenience, and safety features. When this code is stored, the affected system or component may not operate correctly, potentially impacting safety or comfort features.

Symptoms

  • Vehicle not starting or cranking slowly
  • Battery draining overnight
  • Erratic gauge readings
  • Multiple warning lights on dashboard

Common Causes

  • Internal module software error
  • Failed relay or fuse
  • Short or open circuit in wiring
  • Faulty alternator/generator

Diagnosis Steps

  1. 1Connect an OBD-II scanner and read all stored trouble codes and freeze frame data
  2. 2Check battery voltage and charging system output with a multimeter
  3. 3Inspect wiring and connectors related to the trouble code
  4. 4Test circuit voltage, ground, and resistance with a multimeter
  5. 5Check related fuses and relays

Estimated Repair Cost

$75$400

Cost varies by vehicle, location, and repair shop. Includes parts and labor.

Commonly Affected Vehicles

Ford F-150Mercedes-Benz C-ClassBMW 3 SeriesHonda Accord

Related Codes

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Frequently Asked Questions

Electrical codes can be challenging because they often involve intermittent issues. A thorough inspection of wiring, connectors, and grounds with a multimeter is essential for accurate diagnosis.