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Fault Code U0173

Code meaning, symptoms, possible causes, part number, and estimated cost.

U0173

Lost Communication With Control Module

Severity: Medium

Code U0173 indicates a loss of communication with the Left Rear Airbag Control Module. This may affect the safety of rear-seat occupants.

Part Details

Part Name

Left Rear Airbag Control Module

Reference P/N (OEM)

N/A

General part number for this fault code — not necessarily for your specific vehicle

Estimated Cost

₪600 - ₪2000

Engine Location

Left rear side of vehicle

Symptoms

  • SRS Light On
  • Airbags fail to deploy
  • Other fault codes
  • Safety warnings

Possible Causes

  • 1Defective module
  • 2Damaged wiring or connectors
  • 3Electrical issue (fuse/component)
  • 4CAN Bus problems

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