What does code P0700 mean on a Hyundai and is it safe to drive?
P0700: Transmission Control System Malfunction. Here's what it means on your Hyundai, what usually causes it, what repairs typically cost, and how safe it is to keep driving.
PowertrainHigh urgency
What this code means
Generic code indicating the TCM has detected a problem. Specific transmission codes (P07xx) will usually be present.
Common causes for your Hyundai
- 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
For a Hyundai, repairs for P0700 often fall between $100 and $3000, depending on the cause and whether you use OEM or aftermarket parts. Labor rates vary by location.
Known issues on Hyundai
Hyundai DCT-equipped models are prone to P0700 from clutch actuator faults in the dual-clutch transmission. Check for open recalls and TSBs—Hyundai issued several DCT-related service bulletins on these models.
Most commonly affected models
Sonata 2011–2018Santa Fe 2013–2018Elantra 2011–2016