What does code P0700 mean on a Mazda and is it safe to drive?
P0700: Transmission Control System Malfunction. Here's what it means on your Mazda, what usually causes it, what repairs typically cost, and how safe it is 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 for your 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 Mazda, 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 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