Answers for common tuning and machine-support questions
Find quick answers to common tuning, flashing, and machine-support questions. These guides cover proven troubleshooting steps, common post-flash issues, and the details we need to help faster when a machine is down.
Featured troubleshooting FAQs
Start here for some of the most common support questions we see across agriculture, construction, forestry, and diesel truck tuning.
John Deere 9.0L and larger engines smoke after DPF delete
Explains the common intermittent black or white smoke issue on John Deere L21 and L33 machines and the fix using the DPF fuel dosing valve connector.
Can TM AG fix a bad tune or recover a failed flash?
Explains when TM AG can often rebuild from the file read from your machine and a known stock base, and when the safer move is returning the machine to true stock first.
Can I return my machine to stock later, and do you keep the original file?
Explains when TM AG can usually help return a machine toward stock later, and how archived original files help guide that path when the file history is clear.
How to perform a dataset registration on a CNH machine
Shows the two correct paths after a modified flash: the ignition-on wait procedure first, then the CNH EST dataset registration and write security check if needed.
HP Tuners E41 upgrade kit installation
Keeps the E41 upgrade kit PDF and the related visual walkthrough together in one clean support page instead of mixing those references into unrelated machine FAQs.
How to clear a Komatsu excavator DEF injector overheat inducement
Gives the exact keypad path TM AG uses to remove this inducement, including the monitor entry sequence, the diagnostic-test path, and the injector-counter reset confirmation.
How to update a Dimsport New Genius
Walks through the FlashPoint automatic update path, the DSupdate prompt, the licensing prompts, and the online database update so the tool is ready before the next job.
Common Dimsport New Genius errors and fixes
Pulls the recurring New Genius error codes into one support-first page, covering communication faults, ignition timing problems, voltage issues, USB and driver faults, and the protocol cases that need escalation.
How to tune your truck with an EZ Lynk
Explains the safe order of operations for EZ Lynk flashing, including when to link the truck, why the charger matters, when the bypass cable is needed, and where to find ECU Profiles.
How to install a Kubota emulator chip
Turns the one-image install sheet into a clearer support page that explains the diagnostic connector, the male-versus-female plug path, the ignition wait step, and the exhaust-side warning.
Need help with a specific machine issue?
The fastest way to get a useful answer is to send the make, model, engine, ECU details if available, the symptoms, and the file read from the machine. That makes it much easier to tell whether the problem is in the tune, a required post-flash step, or something else on the machine.
- Machine make and model
- Engine family or size
- ECU or strategy information if available
- What tool was used to read or flash the file
- What the machine is doing now, including smoke, codes, or derates