P0700
Transmission Control System Malfunction
This is a general code indicating that your car's main computer (PCM) has detected a fault within the transmission control system. It usually means there's another, more specific transmission-related code stored in the Transmission Control Module (TCM).
Transmission Control System Malfunction
Common causes
- high
Other Transmission-Related DTCs
P0700 is almost always accompanied by one or more specific transmission codes (e.g., P07XX series) that pinpoint the actual issue.
Typical part cost: Varies widely ($0-2000+)
- medium
Faulty Transmission Control Module (TCM)
The TCM itself can fail, leading to various transmission problems and triggering P0700.
Typical part cost: $300-1000+ part
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First things to check
- 1Use an advanced OBD-II scanner to check for additional, specific transmission-related codes stored in the TCM.
- 2Check transmission fluid level and condition (color, smell).
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Related codes
See related trouble codes
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Frequently asked questions
What should I do if I get a P0700 code?
The P0700 code is a general indicator. The most important step is to use an advanced OBD-II scanner to check for other, more specific transmission codes (P07xx series) that will tell you the exact nature of the transmission problem.
Does P0700 mean my transmission is completely broken?
Not necessarily. While it indicates a transmission issue, the severity varies greatly. It could be a minor electrical fault, a sensor issue, or a more serious internal problem. The accompanying codes will provide more clarity.
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