P0700Medium urgency

Transmission Control System Malfunction

Transmission · Control System

⚠️ Fix soon — transmission shifting may be impaired.

What this means

P0700 is a general code indicating the Transmission Control Module (TCM) has detected a fault. Always check for additional transmission codes (P07xx, P08xx) stored alongside this one.

Likely causes

Transmission-specific fault (check additional codes)Most common
Low or degraded transmission fluidMost common
Faulty transmission solenoidCommon
Failed TCMLess common

Estimated repair cost

Transmission fluid service$100 – $250

Transmission solenoid replacement$200 – $600

TCM replacement$400 – $1,500

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Frequently asked questions

What does P0700 mean?

P0700 is a general code indicating the Transmission Control Module (TCM) has detected a fault. Always check for additional transmission codes (P07xx, P08xx) stored alongside this one.

Is P0700 serious?

Fix soon — transmission shifting may be impaired.

How much does it cost to fix P0700?

Repair costs for P0700 range from $100 – $250 depending on the root cause and your vehicle.

Can I drive with P0700?

You can drive short distances but should have it repaired within 1-2 weeks to prevent further damage.