P0700: Transmission Control System Malfunction
Severity: Moderate
What it means
The transmission computer has stored its own fault. It's a pointer to another transmission code.
Common symptoms
- Harsh shifting
- Stuck in one gear (limp mode)
Common causes
- Any transmission sensor or solenoid fault
- Low or burnt transmission fluid
What to check first
- Have the transmission module scanned for the specific code
- Check fluid level and condition
Causes vary by vehicle. Confirm with testing before replacing parts.
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