{"vehicle":{"id":"2012_audi_s4","year":2012,"make":"Audi","model":"S4"},"code":"P174F","generic":false,"description":null,"bulletins":{"as_of":"2026-10-19","count":3,"bulletins":[{"nhtsa_id":10250445,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2024-02-20","date":"2012-12-21","document_id":"3412122032227","mfr_campaign":null,"component":"POWER TRAIN","summary":"Gearbox warning light on - vehicles with 7 Speed S-tronic (DTC P174B or P174F in gearbox control unit)","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2012/MC-10250445-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2012/MC-10250445-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10250445"},{"nhtsa_id":10122686,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2017-11-08","date":"2012-12-21","document_id":"A341212 2032227-","mfr_campaign":null,"component":"POWER TRAIN","summary":"The gearbox warning light is on. P174B (valve 4 in the sub-gearbox 1, electric complaint) or P174F (valve 4 in the sub-gearbox 2, electric complaint) is logged in the gearbox control unit. The entry occurs mainly up to an ATF temperature of 30°C. Check this in the extended environmental conditions of the diagnosis protocol. The entry only occurs once and cannot be reproduced. After a reset there are no more complaints.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2012/MC-10122686-9999.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2012/MC-10122686-0001.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10122686"},{"nhtsa_id":10118341,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2017-10-04","date":"2016-02-01","document_id":"A351620 2030477-","mfr_campaign":null,"component":"POWER TRAIN:AUTOMATIC TRANSMISSION","summary":"Gearbox malfunction message in cluster. DTCs P17D800, P179D00, P174000, P174C, P174B, P174F, P179C, P174A, and/or P174E are stored in the transmission control module. Fault codes and symptom codes must match exactly or this TSB should not be followed. Poor internal contact area on circuit board will lead to faults. Oil additives can cause the plastic circuit plates to delaminate, causing contact loss.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2016/MC-10118341-9999.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2016/MC-10118341-0001.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10118341"}],"url":"https://open.wenmarpro.com/makes/audi/s4/2012/bulletins?code=P174F"},"related":{"components":[],"bulletins":[],"recalls":{"may_apply":true,"recalls":[],"lookup":{"nhtsa":"https://www.nhtsa.gov/recalls","tc":"https://wwwapps.tc.gc.ca/Saf-Sec-Sur/7/VRDB-BDRV/search-recherche/menu.aspx?lang=eng","maker":null}}},"url":"https://open.wenmarpro.com/makes/audi/s4/2012/codes/P174F","note":"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.","attribution":["Contains information licensed under the Open Government Licence – Canada."]}