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P0700 — Transmission Control System Malfunction

Reviewed1 source
1 source
  • Official data (NHTSA)official_feed

What P0700 means

Caution — monitor closely

Not a standalone fault — a flag: the transmission control module is telling the engine ECU it has its own codes stored; the transmission-specific codes must be read via a separate request.

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General information, not a diagnosis or repair instruction. Always confirm with a qualified mechanic for your specific vehicle.

Common causes

  • The transmission control module has its own codes
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