P0700
Transmission Control System Malfunction
System: Transmission
Severity: medium
What does P0700 mean?
The DTC P0700 (Transmission Control System Malfunction) is a fault code stored by the ECU when it detects a TCM fault condition in the transmission subsystem. It is commonly seen on European and Asian vehicles using Bosch, Continental, Siemens or Denso ECUs.
Common causes of P0700
- TCM internal fault
- Bad wiring between ECM and TCM
- Specific transmission fault (sub-DTC)
How to fix P0700
Read TCM-specific codes. DaVinci has limited transmission tuning.
Tuning approach with DaVinci Deluxe
For P0700, DaVinci Deluxe offers the following ECU map adjustments and software solutions:
- TCM coding adjust (limited)
- DSG/automatic shift point adjust
Need to fix P0700 on your ECU?
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