2018 Mazda P0700: What It Means & Is It Safe to Drive?
P0700 on the 2018 Mazda: 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.
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 on the 2018 Mazda
- 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 Mazda, repairs for P0700 typically fall between $100 and $3000, depending on the root cause and labor rates in your area.
Known issues on Mazda
Mazda's Skyactiv-Drive 6-speed automatic is generally reliable and P0700 is less common. When it does appear, it usually relates to a solenoid or fluid condition issue—use only Mazda-spec ATF-MV fluid.
Most commonly affected models
Mazda6 2014–2019CX-5 2013–2019Mazda3 2014–2019