Overview
The ZF 6073.017.097 TCU (Transmission Control Unit) ERGOPOWER M/L EC4A is a critical electronic brain for the WG210 series. This OEM genuine part manages shift timing, clutch pressure, and diagnostic communication within the transmission assembly. Mounted directly to the valve body, the SKU 6073.017.097 interprets driver input and engine load to optimize gear selection for heavy-duty applications. Without this module, the WG210 cannot execute its programmed shift logic, making it essential for reliable driveline performance.
Symptoms of Failure
- Erratic or delayed shifting – The transmission hesitates or slams into gear, often accompanied by a temporary loss of power. This occurs when the TCU misreads sensor data or loses calibration.
- No communication with diagnostic tools – A failed TCU may prevent scan tools from reading fault codes, leaving the operator blind to underlying issues.
- Intermittent limp mode activation – The transmission locks into a single gear (usually 3rd or 4th) to protect itself, triggered by corrupted voltage signals from the control unit.
- Oil temperature sensor errors – False high-temperature warnings or failure to register fluid heat can cause the TCU to default to a safe mode, reducing drivability.
Technical Specifications
| Parameter | Value |
|---|---|
| Part Number (SKU) | 6073.017.097 |
| Type | TCU ERGOPOWER M/L EC4A |
| Material | Aluminum housing with epoxy-sealed PCB |
| Weight | 1.2 kg (2.65 lbs) |
| Dimensions (L x W x H) | 210 mm x 140 mm x 45 mm |
| OEM Reference | ZF 6073.017.097 |
| Operating Voltage | 12V / 24V DC |
| Connector Type | 40-pin AMP |
Compatibility
This TCU is engineered for the WG 210 Series transmission family, which includes the WG180, WG200, and WG210 models. It is also compatible with select ERGOPOWER M/L EC4A variants used in off-highway vehicles and municipal trucks. The unit interfaces directly with the TRANSMISSION HOUSING and the HOUS.FRONT SECT to ensure proper alignment of the valve body. For complete assembly, it works alongside the HOUSING REAR PART and the HOUSING REAR SECTION to seal the transmission case.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 4657101085 | TRANSMISSION HOUSING | Main structural casing for gear sets and shafts |
| 4657201161 | HOUS.FRONT SECT | Front section of the transmission housing |
| 4657201162 | HOUSING REAR PART | Rear housing component for output shaft support |
| 4657298107 | HOUSING REAR SECTION | Final rear section of the transmission case |
| 0631306816 | CYLINDRICAL PIN | Alignment pin for housing assembly |
| 0636100801 | CAP SCREW | Fastener for securing housing sections |
| 4656301148 | FIXING PLATE | Mounting bracket for valve body retention |
| 4657301032 | SCREEN SHEET | Filter screen for oil sump intake |
| 4657301033 | SCREEN SHEET | Secondary filter screen for hydraulic circuit |
| 0636100803 | CAP SCREW | Bolt for TCU mounting bracket |
Frequently Asked Questions
Q: Can the 6073.017.097 TCU be repaired, or must it be replaced?
A: Due to the sealed epoxy construction and proprietary firmware, this unit is typically replaced rather than repaired. Attempting to open the housing often damages the PCB beyond salvage.
Q: Will this TCU work with a WG180 transmission?
A: Yes, the WG180, WG200, and WG210 share the same electronic architecture. However, always verify the software version on your specific unit, as some early WG180 models may require a firmware update.
Q: What tools are needed to install this TCU?
A: Basic hand tools (10mm socket, Torx T20) and a diagnostic scanner for calibration. The unit bolts directly to the valve body using the CAP SCREW (0636100803) and aligns with the CYLINDRICAL PIN (0631306816).
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