All codes/U02A6

U02A6

Lost Communication With Safety Integration Control Module

High severity

The vehicle bus reports loss of communication with the safety integration module that arbitrates between ADAS, restraint, brake and steering systems. Cross-system safety functions may be inhibited.

The vehicle bus reports loss of communication with the safety integration module that arbitrates between ADAS, restraint, brake and steering systems. Cross-system safety functions may be inhibited.

Common causes

  • Bus wiring open or shorted

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

    high

    Typical part cost: $220-2200

  • Module without power or ground

    A plausible cause — test and verify before replacing parts.

    medium

    Typical part cost: $220-2200

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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 U02A6 mean?

U02A6 means "Lost Communication With Safety Integration Control Module". It is a generic OBD-II code that points to a fault in the network / communication.

What are the most common causes of U02A6?

bus wiring open or shorted; module without power or ground; module failed — 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?

This code can put the vehicle into limp or reduced-power mode. Avoid extended driving and have the vehicle diagnosed promptly. Use the Wrenchify app for a full diagnosis specific to your vehicle.

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