Overview
The ZF 6073.017.252 TCU ERGOPOWER M/L EC4A is a critical electronic control unit (TCU) designed specifically for the ZF WG210 series powershift transmission. This OEM genuine part governs shift timing, clutch modulation, and diagnostic communication within the ERGOPOWER M/L EC4A system. Positioned on the transmission housing, it interfaces directly with the valve body and sensors to ensure precise gear engagement under heavy load. The SKU 6073.017.252 replaces worn or failed controllers, restoring factory shift quality and preventing driveline damage. When installing this TCU, always inspect the HOUS.FRONT SECT for cracks or corrosion, as a compromised housing can lead to moisture ingress and premature TCU failure.
Symptoms of Failure
- Erratic shifting or gear hunting: A failing TCU 6073.017.252 causes the WG210 to slip between gears or refuse to upshift under load, often accompanied by flashing warning lights on the dash.
- Delayed engagement from neutral to drive: Operators may experience a 3-5 second lag when selecting forward or reverse, indicating the TCU is not receiving or processing speed sensor data correctly.
- Intermittent loss of communication: The transmission may suddenly default to a limp-home mode, locking in a single gear, due to internal TCU circuit degradation.
- Oil contamination in the connector: Leaks past the O-RING at the TCU harness interface allow transmission fluid to wick into the controller, causing short circuits and corrosion.
Technical Specifications
| Parameter | Value |
|---|---|
| Part Number / SKU | 6073.017.252 |
| OEM Reference | ZF ERGOPOWER M/L EC4A |
| Material | Die-cast aluminum housing with conformal-coated PCB |
| Weight | 1.2 kg (2.65 lbs) |
| Dimensions (L x W x H) | 210 mm x 140 mm x 45 mm |
| Operating Voltage | 12V / 24V DC (auto-sensing) |
| Connector Type | 24-pin AMP Junior Timer |
| Sealing | IP6K9K with integrated O-ring groove |
Compatibility
This TCU is engineered for the ZF WG210 series transmission, but it also fits select WG180 and WG200 variants when used with the correct software calibration. The 6073.017.252 is a direct replacement for ERGOPOWER M/L EC4A controllers in WG210 models produced after 2012. For proper installation, secure the unit using a 螺栓 (M8 bolt) torqued to 25 Nm, and align the dowel with a CYLINDRICAL PIN to prevent misalignment. Always verify the transmission serial number against ZF’s compatibility chart before ordering.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 4657201161 | HOUS.FRONT SECT | Front housing section for TCU mounting |
| 0636115293 | 螺栓 | M8 bolt for TCU attachment |
| 0634313603 | O-RING | Seal between TCU and housing |
| 0631306816 | CYLINDRICAL PIN | Alignment dowel for TCU positioning |
| 0636100801 | CAP SCREW | Fastener for valve body cover |
| 4656301148 | FIXING PLATE | Retaining plate for harness bracket |
| 4657301032 | SCREEN SHEET | Fine mesh filter for oil circuit |
| 4657301033 | SCREEN SHEET | Coarse mesh filter for oil circuit |
| 0636100803 | CAP SCREW | M10 bolt for oil pan |
| 4681301040 | OIL FEED.HOUSG. | Oil feed housing for lubrication |
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