All codes › P0700
P0700: Transmission Control System (MIL Request)
What it means
The transmission computer has stored its own fault and asked the engine computer to turn on the check-engine light. It needs a transmission scan for the real code.
Severity: High Transmission fault stored; may be in limp mode.
Common causes
- Any transmission-specific fault
- Low transmission fluid
- Solenoid failure
- TCM communication issue
Most common causes first. Exact causes vary by make, model and engine.
Can I fix it myself?
Rarely DIY. Have the transmission module scanned for its specific code.
Repair cost
SEEDED ESTIMATE Roughly $140–$730
Most likely repair: transmission solenoid. Diagnosis fees, taxes and other causes are not included.
| Line | Low | High | Basis |
|---|---|---|---|
| Transmission solenoid | $40 | $250 | Editorial placeholder, parts price not yet cited |
| Labor 1–3 hr | $100 | $480 | $100–$160/hr, shop survey |
⚠️ This is an editorial placeholder range for this type of repair. It is not based on real invoices or licensed pricing data yet. Real ranges will appear here once enough reader invoices for P0700 are verified.
Verified reader invoices for P0700: 0. Share your repair bill to help build real costs.
Tools that can read P0700
- ScanFixAI: Pro $29.99/mo or $249.99/yr
- OBDAI: Annual PRO bundle $299
- BlueDriver Pro Next-Gen: $119.95 list ($99.95 sale seen)
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