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Code
U0001
Network

Défaut bus CAN haute vitesse

Le bus CAN haute vitesse a un défaut de communication.

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Most likely causes

  1. Câblage CAN
  2. Module défaillant

Symptoms you may notice

  • Multiple warning lights
  • Modules unreachable

Checks to run

  1. Measure CAN resistance (about 60 Ω)
  2. Inspect wiring and connectors
  3. Isolate modules one by one

Tools you may need

Multimeter OBD-II scanner
Always diagnose before replacing. Codes share symptoms; confirm the cause with measurements before buying parts.

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