All codes/B0093

B0093

Side Impact Sensor Left Front Communication Lost

Moderate severity

The SRS module has lost communication with the left front side impact sensor over the dedicated bus.

The SRS module has lost communication with the left front side impact sensor over the dedicated bus.

Common causes

  • Open bus wiring to sensor

    One of the most commonly reported causes for this code — check this first.

    high

    Typical part cost: $130-660

  • Sensor not powered

    A plausible cause — test and verify before replacing parts.

    medium

    Typical part cost: $130-660

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First things to check

  1. 1Confirm the code with a scan tool and check for additional related codes.
  2. 2Inspect the relevant sensors, wiring, and connectors for damage or corrosion.

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Related codes

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Frequently asked questions

What does B0093 mean?

B0093 means "Side Impact Sensor Left Front Communication Lost". It is a generic OBD-II code that points to a fault in the body.

What are the most common causes of B0093?

open bus wiring to sensor; sensor not powered; gateway module routing can messages incorrectly — these are the most commonly reported causes. Verify with a proper diagnosis before replacing parts, or use the Wrenchify app for a vehicle-specific diagnosis.

Can I keep driving with this code?

The vehicle is usually drivable for short distances, but the problem can worsen or affect emissions. Diagnose and repair as soon as practical. Use the Wrenchify app for a full diagnosis specific to your vehicle.

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