P0700
P0700 — Transmission Control System Malfunction
2
Driver reports
2
Solved cases
2
Verified fixes
0
Wrong repairs reported
📊 Diagnostic Overview
Severity, cost and difficulty for P0700, based on data already on this page.
Severity
🟠 High
Diagnostic Difficulty
Not enough data yet
System
Transmission
Common Causes (based on confirmed repairs)
- P0700 is a gateway code — means TCM stored its own fault codes. P0700 alone tells you nothing specific. Need a scanner that reads TRANSMISSION codes (not just engine codes). Cheap ELM327 Bluetooth adapters often miss transmission codes. Use Foxwell, Autel 1 vehicle
- P0700 is a generic code meaning the TCM (transmission control module) detected a fault and set its own code. P0700 alone tells you little — you need to read transmission-specific codes (P07xx series). Common specific codes alongside P0700: P0730 incorrect 1 vehicle
📐 Diagnostic Difficulty reflects how many different repairs drivers have tried for P0700 and how often those attempts turned out to be the wrong fix — it is calculated from MyCarFault's own reports, not an official manufacturer rating.
⭐ MOST VERIFIED FIX FOR P0700
P0700 is a gateway code — means TCM stored its own fault codes. P0700 alone tells you nothing specific. Need a scanner that reads TRANSMISSION codes (not just engine codes). Cheap ELM327 Bluetooth adapters often miss transmission codes. Use Foxwell, Autel
Reported in 1 approved case
·
⚪ Unverified
Top Reported Fixes for P0700
Ranked by confidence score — same vehicle matches weighted higher.
Driver Reports — P0700 2 reports
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