P0701 Code: Transmission Control System Range/Performance
🟠 Moderate severity · drivable
Drivable with caution, but the transmission may shift poorly or go into limp mode. Get it diagnosed soon.
What P0701 means
The transmission control module (TCM) is working outside its normal range. This is a general code that tells you something in the transmission control system is off — the exact fault is usually found with a transmission-capable scanner.
Symptoms
- Check engine light is on
- Harsh or delayed shifts
- Transmission slipping
- Limp mode
- Transmission overheating
Common causes
- most common: Low or dirty transmission fluid
- common: Faulty transmission solenoids or sensors
- common: Internal transmission wear or damage
- less common: Faulty transmission control module
How to fix it
| Fix | DIY? | Typical cost |
|---|---|---|
| Check and top up the transmission fluid level and condition | Yes | $20–60 |
| Have the transmission codes read with a capable scanner | Mechanic | $50–150 |
| Repair solenoids, sensors, or internal transmission parts | Mechanic | $200–2000 |
Frequently asked questions
Can I drive with a P0701 code?
Yes, but with caution. The transmission can shift poorly or go into limp mode, so drive gently and get it checked.
What does range/performance mean for a transmission code?
It means the transmission computer is working outside its normal operating range — a general warning that something in the system is off.
How much does it cost to fix a P0701?
It depends: $50–150 to diagnose, then a fluid service at $60–200 or a larger transmission repair from $200–2000.
Related codes
P0700
P0700 Code: Transmission Control System Malfunction
P0702P0702 Code: Transmission Control System Electrical
P0740P0740 Code: Torque Converter Clutch Circuit Malfunction
Updated 2026-08. This page is informational and not a substitute for professional diagnosis.