Articles, News and Research
Updates, technical notes, and announcements related to aftermarket diesel electronics, product development, and industry activity at Herlic Components.


A VP30 or VP44 pump from another Ford: immobiliser lock and how to resolve it
A VP30 or VP44 pump taken from another Ford is often locked by the immobiliser: the…

Repair or replacement of the PSG5 control unit: technical criteria
Most PSG5 control units on VP30 and VP44 pumps have been in service for more than…

Ford VP30 and VP44: the immobiliser warning light and a locked pump control unit
On Ford diesels with a VP30 or VP44 pump, the pump control unit is paired with…

OEM-equivalent, not proprietary: how HC-PSG5 fits your EPS 815 and calibration workflow
Donor PSG5 units are scarce and many cores are manipulated. HC-PSG5 is a brand-new, OEM-equivalent control…

Introducing HC-VCI: Bluetooth diagnostics, idle calibration and Ford unlock for diesel pumps
HC-VCI is a Bluetooth diagnostic interface for PSG5-equipped VP30/VP44 pumps — read and clear faults, adjust…

HC-PSG5 coverage for Nissan: Almera, Terrano II and Cabstar
HC-PSG5 covers the VP44 pumps of the Nissan Almera 2.2 Di, Terrano II 3.0 Di and…

Herlic Components at Automechanika Frankfurt 2026
Herlic Components presented its diesel injection electronics range at Automechanika Frankfurt, 8–12 September 2026: the HC-PSG5…

HC-Bench: automated VP30/VP44 pump testing with a documented report for every unit
HC-Bench converts an existing test bench to automatic operation — it runs standardized test sequences on…

Product details: HC-PSG5
An OEM-equivalent replacement control unit for Bosch VP30/VP44 (PSG5) pumps — EPS 815-compatible, with dFi adjusted…

