What does code P0700 mean on a Toyota and is it safe to drive?
P0700: Transmission Control System Malfunction. Here's what it means on your Toyota, 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 Toyota
- 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 Toyota, 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 Toyota
P0700 is a gateway code on Toyota Aisin 6-speed transmissions—scan the TCM for specific transmission codes (U0100, P0750, etc.) before diagnosing. Camry V6 and Highlander 3.5L are the most common candidates.
Most commonly affected models
Camry 2007–2019Highlander 2008–2019RAV4 2013–2018