ZF 6073.023.302 TCU ERGOPOWER M EC3A for WG211 | OEM Genuine Part

Overview

The ZF 6073.023.302 TCU ERGOPOWER M EC3A is a critical electronic control unit designed specifically for the WG211 series powershift transmission. This OEM genuine part manages shift timing, clutch modulation, and diagnostic communication within the transmission’s hydraulic control network. Positioned as the central brain of the ERGOPOWER system, the SKU 6073.023.302 interprets driver commands and sensor inputs to deliver smooth gear changes under heavy load. When paired with a robust TRANSMISSION HOUSING, this TCU ensures precise actuation of the valve body, reducing wear on internal components.

Symptoms of Failure

• Erratic gear engagement or slipping under load: A failing TCU may send incorrect signals, causing the transmission to hesitate or slip when shifting between forward and reverse gears.
• Delayed or harsh shifting in cold conditions: If the unit loses calibration, operators often report jarring shifts or a noticeable lag when the transmission is first started.
• Intermittent loss of communication with the dashboard: Fault codes such as “TCU not responding” or “EC3A communication error” frequently appear, indicating internal circuit degradation.
• Unintended neutral or stuck gear: The transmission may suddenly drop into neutral or refuse to shift out of a specific range, a common symptom of a shorted solenoid driver within the 6073.023.302.

Technical Specifications

Compatibility

This TCU is engineered for the ZF WG211 series, but it also retrofits into earlier WG180, WG200, and WG210 models that utilize the ERGOPOWER M electronic architecture. The unit directly replaces the EC3A variant in these transmissions. For proper installation, ensure the HOUS.FRONT SECT and HOUSING REAR PART are free of debris, and verify that the CYLINDRICAL PIN aligns the TCU mounting bracket correctly.

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