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Service bulletin A011404 2035368-

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id10124883
Published by NHTSA2017-12-05
Manufacturer's numberA011404 2035368-
Manufacturer's date2014-12-18
NHTSA componentELECTRICAL SYSTEM

NHTSA's summary

Supersedes Technical Service Bulletin Group 01 number 14-84 dated July 28, 2014. MIL on. DTC P203B00 (Reductant Level Sensor Circuit Range/Performance) is stored in the engine control module (ECM), J623 (address word 01). Due to a production issue for the level sensor, the ECM cannot correctly read the reductant (AdBlue) fluid level.

The document

The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.

Components

Electrical system

Trouble codes named

P203B

Vehicles listed
AUDI A62014
AUDI A72014
AUDI A82014, 2015
AUDI Q52014

Listing a model year does not mean every vehicle of it is concerned: the document says which.

Recalls for the same vehicles and component
20181742018-04-11. Electrical
20174832017-10-06. Electrical
17V6220002017-10-05. ELECTRICAL SYSTEM:WIRING

A recall listed here may apply to some of the same vehicles. Only the manufacturer can say whether it applies to one vehicle.

Other bulletins for the same vehicles and component
TSB_2073747_42026-08-05. Service bulletin. This bulletin provides informatoinw hent here are scratches or a coating on the cover of the instrument cluster, or particles inside of the housing.
TSB_2059335_72026-07-07. Service bulletin. This bulletin provides information when there are noises from the area around the instrument cluster.
TSB_2074729_32026-07-07. Service bulletin. This bulletin provides informationwhen noises/vibration are detected from front of vehicle in dynamic mode.
TSB_2080517_42026-06-04. Service bulletin. This bulletin provides informaiotn when the starter battery is discharged or defective.
TSB_2080517_32026-05-05. Service bulletin. This bulletin provides informaiotn when the starter battery is discharged or defective.
TSB_2081409_12026-04-07. Service bulletin. This bulletin provides informaiton regarding the Universal Traffic Recorder.
TSB_2081405_12026-04-07. Service bulletin. This bulletin provides informaiotn about various infortainment system complaints.
TSB_2024323_132026-04-07. Service bulletin. This bulletin provides information when the parking assistance gives false warnings.
TSB_2024323_122026-04-07. Service bulletin. This bulletin provides information when the parking assistance gives false warnings.
TSB_2080517_22026-03-03. Service bulletin. This bulletin provides informaiotn when the starter battery is discharged or defective.