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P0700: Transmission Control System (MIL Request)
Severity: Medium Drive gently and get it diagnosed soon.
What does P0700 mean?
The transmission computer has stored its own code and asked the engine computer to turn on the check engine light. P0700 itself is a pointer; read the transmission module for the actual code.
Generic OBD-II definition: Transmission Control System (MIL Request). Confirm applicability in your vehicle service information.
Common causes
- Any stored transmission fault
Symptoms
- Harsh or delayed shifts
- Stuck in one gear (limp mode)
Can I keep driving with P0700?
Severity: Medium Drive gently and get it diagnosed soon.
If the check engine light is flashing or the car runs badly, stop driving and have it checked.
Typical fixes
- Scan the transmission control module for specific codes
- Check transmission fluid level and condition