Transmission Control Unit (TCU) / used
Seller: Marketplace seller
$201
Asking
Quick reference
Identify
- Service part
- Pending
- Block casting
- Pending
- VIN digit 8
- Pending
Years
- Application
- 1990-1993 Nissan 300ZX models
Power
- Engine
- 3L V6 Twin Turbo VG30DETT (300hp)
- Codes
- Pending
- Inventory
- $201 asking
What to know before swapping
Verify connector pinout differences between JDM and USDM models.
Check for mid-cycle changes in TCU software or hardware that might affect compatibility.
Context
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Context
Read the full notes
If you're looking to replace the Transmission Control Unit (TCU) in your 1991 Nissan 300ZX, specifically with the VG30DETT engine, it's crucial to ensure compatibility. The OEM part number 31036-41P60 is highly recommended for this model year. Make sure to inspect the connectors and mounting brackets, as there might be subtle differences between units, especially if you're sourcing from different regions. The 31036-41P61 is an alternative that might fit, but double-check the pin configurations. When scouring junkyards, look for 1990-1993 Nissan 300ZX models, as these will have the TCU designed for the VG30DETT engine. Pay attention to any signs of water damage or burnt circuits, which are common failure points. Installing a replacement TCU is straightforward but requires careful handling to avoid static damage. Always disconnect the battery before installation to prevent electrical shorts.
OEM numbers
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Confirmed fitment
Applications
| Year | Make | Model | Engine | Confidence |
|---|---|---|---|---|
| 1991 | Nissan | 300ZX | 3L V6 Twin Turbo VG30DETT (300hp) | 80% |
Available parts
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