Overview
The ZF 6073.024.049 TCU BP EC4A is a critical electronic control unit specifically engineered for the BP 210 series of powershift transmissions. This OEM genuine part governs shift timing, clutch modulation, and diagnostic communication within the transmission’s hydraulic network. Positioned directly on the valve body assembly, the TCU interprets sensor inputs to optimize gear engagement under load. The SKU 6073.024.049 is the direct replacement for factory-installed units, ensuring plug-and-play compatibility without reprogramming in most applications.
Symptoms of Failure
- Erratic or delayed shifting under load: When the TCU loses signal integrity, the transmission may hesitate or slam into gear, especially during low-speed maneuvering.
- Intermittent loss of forward or reverse gears: A failing control unit can cause sudden neutral conditions, often accompanied by a flashing warning light on the dash.
- Oil temperature sensor faults: The TCU’s internal circuitry may generate false high-temperature readings, triggering a limp-home mode that limits engine RPM.
- No communication with diagnostic tools: A completely failed unit will prevent any scan tool from establishing a link to the transmission control module.
Technical Specifications
| Parameter | Value |
|---|---|
| Part Number | 6073.024.049 |
| Product Type | Transmission Control Unit (TCU) |
| Series | BP 210 |
| Material | Die-cast aluminum housing with sealed electronics |
| Weight | 1.2 kg (2.65 lbs) |
| Dimensions (L x W x H) | 210 mm x 140 mm x 45 mm |
| OEM Reference | ZF 6073.024.049 |
| Operating Voltage | 12V / 24V DC (auto-sensing) |
| Connector Type | 40-pin AMP / Deutsch compatible |
Compatibility
This TCU is primarily designed for the ZF BP 210 series powershift transmissions. It is also compatible with the WG180 and WG200 series when used in off-highway vehicles such as wheel loaders and graders. The unit interfaces directly with the 4681101002: TRANSMISSION HOUSING and the 4681201007: HOUS.FRONT SECT. For complete assembly, it works in tandem with the 4681201008: HOUSING REAR PART and the 4681298001: CASE to seal the electronic compartment from debris and moisture.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 4681101002 | TRANSMISSION HOUSING | Main structural casing for gear train |
| 4681201007 | HOUS.FRONT SECT | Front section housing input shaft and pump |
| 4681201008 | HOUSING REAR PART | Rear section supporting output flange |
| 4681298001 | CASE | Protective cover for TCU and wiring |
| 0631306074 | CYLINDRICAL PIN | Alignment dowel for housing mating |
| 0636100801 | CAP SCREW | Fastener for valve body attachment |
| 4681301015 | FIXING PLATE | Bracket securing TCU to housing |
| 4681301016 | SCREEN SHEET | Fine mesh filter for hydraulic oil |
| 4681301017 | SCREEN SHEET | Secondary filter for return line |
| 0636100803 | CAP SCREW | Bolt for rear housing retention |
Frequently Asked Questions
Q: Can the 6073.024.049 TCU be repaired, or must it be replaced?
A: Due to the sealed epoxy potting and proprietary firmware, field repair is not recommended. Replacement with this OEM genuine part is the only reliable solution to restore full transmission functionality.
Q: Will this TCU work with a 24V electrical system?
A: Yes. The unit features auto-sensing voltage regulation and operates correctly on both 12V and 24V systems without additional converters.
Q: Do I need to reprogram the TCU after installation?
A: In most BP 210 applications, the unit comes pre-loaded with factory calibration. However, if the transmission has been modified, a dealer-level diagnostic tool may be required to synchronize shift parameters.
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Phone: +86 158 2286 3467 |
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