Audi A4 Allroad 2011–2014 — technical service bulletin
Bulletin A201432 2035073- · NHTSA communication 10122285 · issued Mar 21, 2014
Technical service bulletin
communication type
Engine and Engine Cooling
component
2011–2014
model years
18
vehicle entries
Official summary
upersedes Technical Service Bulletin Group 20 number 14-31 dated January 9, 2014. The MIL is on. DTC P045600 (EVAP System Leak Detected NVLD (very small leak)) is stored in the engine control module (ECM), J623 (address word 01). Drivability is not affected. The NVLD pressure switch may erroneously detect a very small leak.
Vehicles covered
What a TSB means. Technical service bulletins are repair guidance manufacturers send to dealers — they are not recalls, and repairs are not automatically free (warranty extensions are an exception worth checking). The full document is available via NHTSA’s vehicle lookup.