Jaltest (JDC569.9) | Curtis 4-pins OBD - 26-pins DB26 Adapter Cable | Lifting and Hoisting Equipment
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2 years warranty on all products
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The Jaltest JDC569.9 connects the 4-pin diagnostic connector of the Curtis power module directly to the 26-pin DB26 input of the Jaltest Link; no separate 16-pin diagnostic cable is needed. Halfway along the cable is a sealed black box containing electronics, the 4-pin connector sits in a black locking housing, and next to the CE label on the cable is a label reading 12/24 V ONLY.
When connected with the cable, the Jaltest software accesses the Curtis power module, which Jaltest lists in its coverage as a Power module (CPM) per series: 1212, 1220, 1228, 1230, 1232, 1236 and 1243. You can read fault codes, measured values and live data; for the 1212, 1232 and 1236 you can also set parameters, but not for the 1243. The cable falls under Jaltest MHE (Material Handling Equipment).
HIGHLIGHTS
POINTS TO NOTE
Applications and functionality
The cable is intended for workshops that service electric forklifts, warehouse trucks and aerial work platforms with a Curtis power module. Each controller series is listed separately in the coverage; the functions you get depend on the series.
Control units you can access
- Power module (CPM): The Curtis power module.
- Lighter series: 1212, 1220, 1228 and 1230.
- Heavier series: 1232, 1236 and 1243.
What you can do
- Fault codes: Read and clear after repair.
- Measured values: View sensors and inputs.
- Parameters: Set for the 1212, 1232 and 1236.
- Live data: Follow values during operation.
How to use it
- Locating the connector: Find the 4-pin connector on the Curtis controller in the electrical compartment.
- Connecting: Insert the connector into the black locking housing on the connection.
- Connecting the Link: Insert the DB26 end directly into the Jaltest Link.
- Machine on: Switch the machine on with the key switch.
- Reading out: In Jaltest MHE, select the Curtis module and the series.
Compatible vehicles and applications
The controller determines compatibility, not the machine brand. The cable fits any electrically powered machine with a Curtis power module that has the 4-pin diagnostic connector in the black locking housing. Check the plug on your controller on site.
Curtis:
- Series in the Jaltest coverage: 1212, 1220, 1228, 1230, 1232, 1236 and 1243.
- Application: Electric forklifts, warehouse trucks and aerial work platforms.
Difference from the JDC566.9
The JDC569.9 and the JDC566.9 have the same connectors at both ends; what lies between them differs.
- JDC569.9: Sealed box with electronics in the cable, marking 12/24 V ONLY, connector in a black locking housing.
- JDC566.9: Passive adapter cable of 30 cm with a separate white 4-pin connector.
Package contents
- 1x Jaltest (JDC569.9) | Curtis 4-pin OBD - 26-pin DB26 Adapter Cable | Lifting & hoisting equipment
Technical specifications
General
- The manufacturer of the cable. Jaltest cables work with Jaltest diagnostic equipment.Brand
- Jaltest (Cojali)
- The type of cable. A diagnostic cable connects to the diagnostic socket, a measuring cable tests an individual component.Cable type
- Adapter cable
- The Jaltest software package the cable belongs to. A licence for that module is required to use the cable.Jaltest software module
- MHE internal transport
- The types of vehicles or machines the cable is intended for. This shows quickly whether it suits the vehicles entering your workshop.Vehicle types
- Lifting and hoisting equipment
Connections
- The connector on the diagnostic device side. It must fit your interface or diagnostic cable.Interface-side connector
- 26-pin DB26
- The connector on the vehicle, engine or machine side. It must fit the diagnostic socket or the component.Vehicle-side connector
- 4-pin Curtis
Diagnostics
- Whether fault codes can be cleared as well as read. Some systems only allow reading.Clear fault codes
- Yes
- Whether the current sensor values can be viewed while the vehicle is running. Useful for tracing a fault.View live data
- Yes
Usage
- Reference number
- JDC569.9
- Control units
- Power module
- Required for use
- Jaltest Link and a valid software licence
Other specifications
- Application
- Curtis power modules (Power module CPM)
- Length
- Not specified
- Control units
- Power module (CPM), Curtis series 1212, 1220, 1228, 1230, 1232, 1236 and 1243

To ensure you always have access to the latest software updates and releases for your Jaltest device, it's important that you register the correct distributor.
Only the authorized distributor can perform new software installations and updates. When you designate us as your distributor, we can handle this for you and guarantee that your device stays current and runs smoothly.
How does it work?
-
Download and complete the change form
You can find the form as a PDF file here. -
Send us the completed form
You can easily do this by email to support@astools.eu. -
We'll take care of the rest
With the form, we can notify Jaltest of the change and officially register you as our customer.






