{"vehicle":{"id":"2010_buick_lacrosse","year":2010,"make":"Buick","model":"LaCrosse"},"code":"P0172","generic":true,"description":null,"bulletins":{"as_of":"2026-10-19","count":5,"bulletins":[{"nhtsa_id":11032947,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2026-05-28","date":"2026-05-19","document_id":"PIP6113","mfr_campaign":null,"component":"UNKNOWN OR OTHER","summary":"This document provides the technician with a diagnostic tip if the vehicle stalls and set diagnostic trouble code P0191 and may also set P0172. The diagnostic tip has the technician inspect the high pressure fuel pump body markings to confirm it is an original manufacture part. If it is not an original manufacture part, they should install one and evaluate the vehicle.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11032947-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11032947-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11032947"},{"nhtsa_id":10114215,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2017-08-15","date":"2013-10-04","document_id":"G-176360","mfr_campaign":null,"component":"EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; EQUIPMENT ADAPTIVE/MOBILITY","summary":"12313B - Special Coverage (revised warranty information). The chrome layer on the balance chain pins may wear, allowing the chain to stretch. This would cause an engine noise, and if left untreated, could cause the chain to break, leading to engine damage. In addition, the fuel pump plunger shaft seal may wear and allow fuel to leak into the crankcase, setting a P0172 DTC, and illuminating the Malfunction Indicator Light. This can cause engine run-on and/or the engine to run rough. If this condition occurs within the stated terms, dealers will replace the engine balance chain and the fuel pump.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2013/MC-10114215-9999.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2013/MC-10114215-0001.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10114215"},{"nhtsa_id":10114189,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2017-08-15","date":"2013-07-30","document_id":"G-171837","mfr_campaign":null,"component":"ENGINE","summary":"12313A - Special Coverage (revised part information). The chrome layer on the balance chain pins may wear, allowing the chain to stretch. This would cause an engine noise, and if left untreated, could cause the chain to break, leading to engine damage. In addition, the fuel pump plunger shaft seal may wear and allow fuel to leak into the crankcase, setting P0172 DTC, and illuminating the Malfunction Indicator Light. This can cause engine run-on and/or the engine to run rough. If this condition occurs within the stated terms, dealers will replace the engine balance chain and fuel pump.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2013/MC-10114189-9999.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2013/MC-10114189-0001.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10114189"},{"nhtsa_id":10114182,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2017-08-15","date":"2013-07-16","document_id":"G-169470","mfr_campaign":null,"component":"ENGINE AND ENGINE COOLING; POWER TRAIN:AXLE ASSEMBLY:AXLE SHAFT:SEAL","summary":"12313 - Special Coverage. The chrome layer on the balance chain pins may wear, allowing the chain to stretch. This would cause an engine noise, and if left untreated, could cause the chain to break, leading to engine damage. In addition, the fuel pump plunger shaft seal may wear and allow fuel to leak into the crankcase, setting P0172 DTC, and illuminating the Malfunction Indicator Light. This can cause engine run-on and/or the engine to run rough. If this condition occurs within the stated terms, dealers will replace the engine balance chain and fuel pump.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2013/MC-10114182-9999.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2013/MC-10114182-0001.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10114182"},{"nhtsa_id":10036504,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2011-03-25","date":"2010-06-01","document_id":"PI-0145","mfr_campaign":null,"component":"ENGINE AND ENGINE COOLING:ENGINE; FUEL SYSTEM, GASOLINE:DELIVERY:FUEL PUMP","summary":"BUICK/CADILLAC/CHEVROLET/GMC: CHECK ENGINE LIGHT ON; DTCS P0172 AND P0175; ENGINE RUNS ROUGH (FOLLOW DIAGNOSIS AND REPLACE HIGH PRESSURE FUEL PUMP). *PE UPDATED 3/28/11. MODEL YEAR 2010-LACROSSE, CTS, SRX, EQUINOX AND TERRAIN. *PE","document":null,"url":"https://open.wenmarpro.com/bulletins/10036504"}],"url":"https://open.wenmarpro.com/makes/buick/lacrosse/2010/bulletins?code=P0172"},"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/buick/lacrosse/2010/codes/P0172","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."]}