P040B on the 2013 Volkswagen Touareg
The bulletins listed name this code in NHTSA's summary, or are about the same components. A bulletin or a recall listed here may apply to the model year. None of it is a diagnosis.
Nobody has written a description of this code yet.
| V011614_2045221 | 2017-03-22. Service bulletin. DIAGNOSTIC AID FOR INCONCLUSIVE RESULTS WHILE DIAGNOSING DTC P040B EXHAUST GAS RECIRCULATION TEMPERATURE SENSOR “A” CIRCUIT RANGE PERFORMANCE |
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| V0116142045221 | 2017-03-16. Service bulletin. DIAGNOSTIC AID FOR INCONCLUSIVE RESULTS WHILE DIAGNOSING DTC P040B EXHAUST GAS RECIRCULATION TEMPERATURE SENSOR “A” CIRCUIT RANGE PERFORMANCE |
2 on file from NHTSA, as of 2026-10-19. See them in the bulletin list. A bulletin lists model years: read the document for which vehicles it concerns.