VOLKSWAGEN

V011229 2030455

2012-10-02 · NHTSA 10156045, 10157642

A listed vehicle is a research lead. Confirm the engine, production range and software in the manufacturer's information.

Manufacturer summary

Original wording in English

Technical Bulletin (Update Programming MIL ON DTCs P0606, P1388 and or P2201 Stored in ECM Fault Memory): MIL ON with NOx Sensor fault P2201 and/or Engine Control Module faults P1388, P0606 are stored in fault memory. Due to NOx sensor diagnostic strategy and ECM monitoring to being too sensitive. The production solution to this issue was Improved ECM software with revised diagnostic and monitoring strategies being implemented into production. This document discusses the "Fault Codes" necessary to diagnosis, and potential remedy of the issue. The fault codes for checking warranty coverage for servicing the vehicle are also available.

Repeated filings are grouped only when make, bulletin number, publication date and complete summary agree. Original record numbers are retained. Older publications remain available, and an explicit later version is shown when established. Pre-1994 vehicle associations are separated from default results; an unspecified year does not mean all model years apply.