What does code P0700 mean and is it safe to drive?
P0700: Transmission Control System Malfunction. Here’s what it means, what usually causes it, what repairs typically cost, and how urgent it is to keep driving.
PowertrainDrive with caution
Repair cost
$100–$3000
System
Powertrain
Urgency
high
What this code means
Generic code indicating the TCM has detected a problem. Specific transmission codes (P07xx) will usually be present.
Common causes
- Various transmission electrical or hydraulic faults
- Low or dirty fluid
- Solenoid or sensor failure
Symptoms
- Check Engine Light
- Transmission slipping, harsh shifts
- Limp mode possible
Typical fixes
- Read transmission-specific codes
- Service or replace transmission fluid
- Replace solenoids/sensors as diagnosed
Repair cost range
Repairs for P0700 often fall between $100 and $3000, depending on the cause and your vehicle.