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Tiffany MillerSep 15, 2025
Why Xpresskit Extender says speed was detected?
- PPatrick GarciaSep 15, 2025
If the Xpresskit Extender displays 'Speed was detected', the vehicle was detected as moving, which prevents the system from shutting it down.

Why Xpresskit Extender says speed was detected?
If the Xpresskit Extender displays 'Speed was detected', the vehicle was detected as moving, which prevents the system from shutting it down.
Why Xpresskit Extender shows start fail?
If the Xpresskit Extender displays 'Start fail', the RXT start/stop message was received by the module, but not executed on the vehicle.
What to do if Xpresskit Control Unit has no power?
First, ensure the D2D harness is properly connected and that 12 Volts are present between the red and black wires. If the voltage is present, the Xpresskit Control Unit module may be defective.
What to do if bypass data is not detected by Xpresskit Control Unit?
Check the bypass line connection. If multiple wires are used, ensure they are not inverted. Also, make sure the vehicle still operates correctly using the factory key.
What to do if Xpresskit Control Unit failed to program the BCM?
Check if the vehicle's doors are locked. They need to be unlocked to resolve this issue.
What to do if Xpresskit Control Unit detects speed?
The vehicle was detected as moving, which prevents the system from shutting it down.
What to do if J1850 is not detected by Xpresskit Control Unit?
Check the J1850 wire connection. Wake up the data bus by turning the ignition on and try again.
What to do if Xpresskit Control Unit gives a bypass processing error?
The bypass calculation failed. Reset the module and try again. If the condition persists, please contact Technical Support.
What to do if ISO 1 is not detected by Xpresskit Control Unit?
The Yellow/Black wire did not detect the expected signal. Refer to "Installation (wiring diagrams & vehicle wiring reference charts)" to check the connections.
What to do if Xpresskit Control Unit initialization failed?
Reset the module and complete the programming again. If the issue persists, please contact Technical Support.
| Product Type | Data Bus Interface Module |
|---|---|
| Compatibility | Compatible with most vehicles |
| Functions | Remote start, door lock, and security system integration |
| Connections | Data bus connection |
| Firmware Updates | Yes, via USB |
| Display | LED indicators |
| Power Source | Vehicle's electrical system |
| Programming | Programmable via computer or handheld device |
Lists vehicles and features compatible with the DBALL2 module.
Detailed wiring information for Mazda models across installation types.
Instructions for programming the module using different methods.
Guide to configuring module features and options.
Guide to interpreting LED indicators and resolving issues.
Details the warranty terms and conditions for the product.
Provides quick guides for vehicle takeover and available commands.
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