Transmission
Gearbox control, solenoids, clutch and torque converter. P0700 is only a pointer — it says the transmission controller has its own stored code.
37 documented codes across 80 real diagnostics.
Ranked by how often we actually see them
| Code | What it is | Diagnostics |
|---|---|---|
| P0700 | Transmission control system, MIL request | 7 |
| P0751 | Shift solenoid A performance or stuck off | 6 |
| P0743 | Torque converter clutch circuit electrical | 4 |
| P0715 | Input or turbine speed sensor A circuit | 3 |
| P0830 | Clutch pedal switch A circuit | 3 |
| P0741 | Torque converter clutch circuit performance or stuck off | 3 |
| P0720 | Output speed sensor circuit | 3 |
| P0868 | Transmission fluid pressure low | 3 |
| P073E | Not individually documented | 3 |
| P07E4 | Not individually documented | 3 |
| P0808 | Not individually documented | 3 |
| P2762 | Torque converter clutch pressure control solenoid circuit range/performance | 2 |
| P2711 | Unexpected mechanical gear disengagement | 2 |
| P0703 | Brake switch B circuit | 2 |
| P0725 | Engine speed input circuit | 2 |
| P0760 | Shift solenoid C | 2 |
| P0807 | Clutch position sensor circuit low | 2 |
| P0722 | Not individually documented | 2 |
| P0894 | Not individually documented | 2 |
| P0931 | Not individually documented | 2 |
| P0867 | Not individually documented | 2 |
| P2757 | Not individually documented | 2 |
| P0825 | Not individually documented | 2 |
| P0737 | Not individually documented | 2 |
| P0702 | Transmission control system electrical | 1 |
| P0740 | Torque converter clutch circuit open | 1 |
| P0766 | Shift solenoid D performance or stuck off | 1 |
| P0750 | Shift solenoid A | 1 |
| P0809 | Clutch position sensor circuit intermittent | 1 |
| P0810 | Clutch position control error | 1 |
| P0833 | Clutch pedal switch B circuit | 1 |
| P0841 | Transmission fluid pressure sensor A circuit range/performance | 1 |
| P0850 | Park or neutral switch input circuit | 1 |
| P0856 | Traction control input signal | 1 |
| P0883 | TCM power input signal high | 1 |
| P2763 | Torque converter clutch pressure control solenoid circuit high | 1 |
| P2764 | Torque converter clutch pressure control solenoid circuit low | 1 |
FAQ
Frequently asked questions
How do I run a diagnosis?
Select the vehicle on Start, click the Diagnostic card and choose New diagnostic. Fill in the description, the error codes and the mileage, then click Analyze.
Learn more: Diagnostic (vehicle-first start), Diagnostic form: description, error codes and mileage
Do I have to type the codes from my scan tool?
No. Click the camera button next to Error codes and take or choose a photo (JPEG or PNG) of the scan tool's screen; WrenchLane reads the codes and their descriptions into the form. You can also speak them with the microphone.
Learn more: OBD reader photo scan (fault codes from a photo), Voice input for the problem description
Are the public fault code pages built from my diagnostics?
They are built from anonymised, aggregated diagnostics run in WrenchLane; no workshop, customer or vehicle can be identified. Each fault code page shows how often the code was seen across those diagnostics and in how many separate workshops.
Learn more: Fault code pages on wrenchlane.com (fault-code cluster)
Work a transmission fault on a real car
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