8637C870 Mitsubishi CONTROL UNIT,OSS, Price: 248.48$, Weight: 0.073kg
| Make | Number | Name | Availability | Weight, kg | Ship in, Days | Price |
|---|---|---|---|---|---|---|
Mitsubishi |
8637C870 |
CONTROL UNIT,OSS |
0 |
0.073 |
15-20 |
248.48$ |
| Not Available | ||||||
Originals
| Make | Number | Name | Availability | Weight, kg | Processing, days | Price | |
|---|---|---|---|---|---|---|---|
| Mitsubishi |
CONTROL UNIT,OSS
|
0 |
0.084
|
-
|
248.48$
|
Not Available |
Substitutions
| Make | Number | Name | Availability | Weight, kg | Processing, days | Price | |
|---|---|---|---|---|---|---|---|
| Mitsubishi |
8637A633
|
CONTROL UNIT,OSS
|
0 |
0.092
|
-
|
255.22$
|
Not Available |
| Mitsubishi |
8637A633
|
CONTROL UNIT,OSS
|
0 |
0.092
|
-
|
255.22$
|
Not Available |
Transmission Output Speed Control Module (OSS)
This electronic module monitors the gearbox output speed and sends a clean signal to the vehicle’s main computer. It is needed to keep shifting smooth, protect the transmission, and help systems like cruise control and stability control work correctly ✅.
How It Works
The unit receives pulses from the output speed sensor, filters noise, and converts them into accurate speed data. The ECU/TCU uses this information to choose shift timing, control line pressure, and match engine load to road speed. When the signal is stable, the car accelerates evenly and the gearbox avoids harsh or late shifts ⚙️.
Why This Part Matters
- Supports correct gear changes and lock-up operation
- Helps prevent overheating and clutch wear
- Improves drivability during stop-and-go traffic
If It Fails or Gets Damaged
A faulty module can cause wrong speed readings, triggering warning lights and putting the transmission into limp mode. You may notice delayed shifts, slipping feel, sudden downshifts, no cruise control, or unstable traction/stability behavior. Driving long with bad output speed data can increase internal wear and fuel use ❗.
Compatibility
- Rvr
- Asx