2018 Kia P0700: What It Means & Is It Safe to Drive?
P0700 on the 2018 Kia: Transmission Control System Malfunction. Here's what it means, what usually causes it, what repairs typically cost, and whether it's safe to keep driving.
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What this code means
Generic code indicating the TCM has detected a problem. Specific transmission codes (P07xx) will usually be present.
Common causes on the 2018 Kia
- 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 2018 Kia, repairs for P0700 typically fall between $100 and $3000, depending on the root cause and labor rates in your area.
Known issues on Kia
Kia shares Hyundai's DCT transmission platform; Sportage 1.6T and Optima DCT-equipped models have the same clutch actuator fault pattern. Check for open recalls and TSBs before diagnosing further.
Most commonly affected models
Optima 2011–2018Sorento 2011–2018Sportage 2011–2018