Basic Parameters
Part Number: 2QD909144E, 2QD909144F
Manufacturer: NSK (NSK Gen3 / 3rd-generation EPS)
Power Supply: 12V vehicle DC power
Communication: CAN Bus
Diagnostic Address: 44 (Power Steering Module)
Security Access Code: 19249 (for coding, collision reset, steering curve flashing)
Functions: Collision cut-off protection (P160900) resettable, end-stop adaptation, coding modification, custom steering curve programming
Hardware Description: Identical pinout and connector for E / F versions. The F variant is a newer firmware upgrade of the E version with no hardware differences.
Compatible Vehicles & Platforms
PQ25 Platform: VW New Santana, New POLO, Skoda Fabia
MQB Platform: Late POLO, Skoda Fabia MQB
2QD909144E Specifications
Firmware: Early generation firmware
Platform Support: PQ25 / MQB (software switchable)
Known Limitations: Low tolerance for incorrect coding changes. Wrong configuration may cause coding lock or module freeze. Incompatible with some new steering assist curves.
Production Years: 2017 – 2020
2QD909144F Specifications
Firmware: Updated revision firmware (upgraded from E version)
Platform Support: PQ25 / MQB full compatible
Improvements: Fixed legacy coding lock bugs, improved system stability, supports latest steering assist curves.
Production Years: 2020 – Newer
Compatibility: Direct plug-and-play replacement for 2QD909144E
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