Overview
The ZF 6073.017.058 TCU ERGOPOWER M/L EC4A for WG210 is an OEM genuine transmission control unit (TCU) engineered specifically for the ZF WG 210 series. This electronic brain governs shift logic, clutch modulation, and torque converter lock-up in Ergopower M/L EC4A configurations. Positioned externally on the transmission housing, it interfaces directly with the valve body to manage hydraulic pressure for smooth gear engagement. The SKU 6073.017.058 ensures exact OEM fitment, eliminating guesswork during replacement. When paired with a robust TRANSMISSION HOUSING, this TCU maintains precise communication between the drivetrain and vehicle ECU.
Symptoms of Failure
- Erratic gear hunting or delayed engagement – The TCU fails to interpret speed sensor data, causing the transmission to slip between gears or hesitate when shifting from neutral to drive.
- Intermittent limp mode activation – A worn TCU triggers fault codes for solenoid circuits, forcing the WG210 into a reduced-power state until the unit is replaced.
- Torque converter shudder at low RPM – Faulty lock-up control from the 6073.017.058 leads to vibration during light acceleration, often misdiagnosed as a mechanical issue.
- Complete loss of communication with vehicle CAN bus – The TCU stops transmitting data, resulting in a dead instrument cluster display and no reverse engagement.
Technical Specifications
| Parameter | Value |
|---|---|
| Part Number | 6073.017.058 |
| OEM Reference | ZF Ergopower M/L EC4A |
| Material | Die-cast aluminum housing with sealed PCB |
| Weight | 1.85 kg (4.08 lbs) |
| Dimensions (L x W x H) | 210 mm x 140 mm x 55 mm |
| Operating Voltage | 12V DC (24V compatible with adapter) |
| Connector Type | 48-pin AMP Junior Timer |
| Sealing Class | IP6K9K (high-pressure washdown resistant) |
Compatibility
This TCU is engineered for the ZF WG 210 series but also retrofits into earlier WG180 and WG200 models when used with the correct wiring harness adapter. It is the standard control unit for Ergopower M/L EC4A variants found in municipal trucks, refuse vehicles, and medium-duty construction equipment. Always verify that the HOUS.FRONT SECT and HOUSING REAR PART are free of corrosion before installation, as moisture ingress can damage the new TCU. Apply SURFACE SEALING COMPOUND to the mating surfaces to prevent fluid wicking into the connector pins.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 4657101086 | TRANSMISSION HOUSING | Main structural casing for gear train |
| 4657201176 | HOUS.FRONT SECT | Front section housing input shaft and pump |
| 0666790033 | SURFACE SEALING COMPOUND | Anaerobic gasket for leak-proof joints |
| 4657201179 | HOUSING REAR PART | Rear section supporting output flange |
| 4657298110 | HOUSING REAR SECTION | Alternate rear housing variant for PTO |
| 0636115293 | 螺栓 | M10 bolt for housing fastening |
| 0634313603 | O-RING | Seals oil passages between sections |
| 0631306816 | CYLINDRICAL PIN | Alignment dowel for housing assembly |
| 0636100801 | CAP SCREW | Socket head screw for TCU bracket |
| 4656301148 | FIXING PLATE | Retains TCU against vibration |
