2008 Subaru P0700: What It Means & Is It Safe to Drive?
P0700 on the 2008 Subaru: 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 2008 Subaru
- 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 2008 Subaru, repairs for P0700 typically fall between $100 and $3000, depending on the root cause and labor rates in your area.
Known issues on Subaru
Subaru's Lineartronic CVT requires Subaru-spec Lineartronic CVTF fluid; off-spec fluid causes P0700 and associated codes including P0740 and P0868. Fluid condition and level should be the first thing inspected.
Most commonly affected models
Outback 2010–2019Forester 2014–2018Legacy 2010–2019