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Code
U0100
Network

فقدان التواصل مع كمبيوتر المحرك

وحدة لا تتواصل مع كمبيوتر المحرك.

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Most likely causes

  1. موصل مفصول
  2. أسلاك CAN
  3. كمبيوتر تالف

Symptoms you may notice

  • Many warning lights
  • Engine may not start
  • Scan tool cannot talk to ECM

Checks to run

  1. Check ECM power and grounds
  2. Test CAN bus resistance and continuity
  3. Inspect connectors

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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