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VW Golf 6 Plus - Poor acceleration performance | HELLA

VW Golf 6 Plus

All Models

Model year 2010-2014

Poor acceleration performance

Motor control light is lit

Error codes: P0225, P1630, P2122

If the defect described above occurs together with the listed error codes, a possible cause may be a defective plug connection of the accelerator pedal sensor.

In this case, we recommend the following procedure:

  • Unplug accelerator pedal sensor connector on the wiring harness side and check for loose or defective individual connectors. Repair or replace defective components
  • Check accelerator pedal sensor for proper functioning. Also display and analyze signal curve in diagnostic unit or oscilloscope
  • Delete error memory entries and do test drive.


In this context, is is possible that additional error codes are displayed in the control unit:

P0226, P0227, P0228, P1631, P1632, P1633, P1634, P1639, P2123, P2127, P2128, P2135, oder P2138.

Example: parameter display in mega macs 66 diagnostic unit. Error-free signal curve following confirmation of accelerator pedal sensor

Important safety notice
The following technical information and tips for practical use have been set up by HELLA in order to offer professional support to automotive workshops in their daily work. The information available here on this website is only to be used by appropriately trained specialist staff.

The reprinting, distribution, reproduction, exploitation in any form and disclosure of the contents of this document, even in part, is prohibited without our express written approval and indication of the source. The schematic illustrations, figures and descriptions are for explanation and presentation of the document text and cannot be used as a basis for installation or design. All rights reserved.