Code
P0700
Transmission
Transmission control system malfunction
The transmission controller has stored a fault. Read the sub-codes to go further.
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Most likely causes
- Transmission internal fault
- Faulty TCM
- Low transmission fluid
Symptoms you may notice
- Transmission warning light
- Harsh shifting
- Limp mode
Checks to run
- Read TCM fault codes
- Check transmission fluid level and condition
Tools you may need
OBD-II scanner
Dipstick / fluid level check
Always diagnose before replacing. Codes share symptoms; confirm the cause with measurements before buying parts.