P0847: owner reports and bulletins

Powertrain (generic, all makes). We haven't written the explanation for this code yet. Below is what owners and manufacturers have filed with NHTSA.

Got P0847 on your scanner? Tell the mechanic your year, make, model and any symptoms and you'll get the likely cause and what to check first. Ask about this code.

What owners report to NHTSA

4 complaints filed with NHTSA mention P0847, 3 of them since 2015, across 3 different models. The component owners most often filed it under: power train.

Manufacturer service bulletins that name P0847

28 technical service bulletins and manufacturer communications filed with NHTSA mention P0847, from 2 makes. A bulletin means the manufacturer has documented a known cause or a fix procedure for that model. Examples:

  • FORD ESCAPE (2020, 2021), bulletin 10201593: Some 2020-2021 Escape vehicles may exhibit a loss of voltage reference (VREF) or runs rough, blow fuse 44 and may or may not set DTC's P06A7,P0840,P0842,P0845,P0847,P2122,P2127,P0522,P008A,P06A6,P2196,P0192, P0212,P0340,…
  • MAZDA CX-3 (2016, 2017, 2018, 2019), bulletin 10201768: Some vehicles may experience the check engine light and automatic transaxle warning light ON with one or more of these DTCs stored in the TCM memory (P0842, P0847, P0872, P0877, P0780, P1738). P0842:00 - Oil pressure swi…
  • MAZDA CX-9 (2016, 2017, 2018, 2019), bulletin 10237199: Some vehicles may experience the check engine light and automatic transaxle warning light ON with one or more of these DTCs stored in the TCM memory (P0842, P0847, P0872, P0877, P0780, P1738).
  • MAZDA MAZDA6 (2014, 2015, 2016, 2017), bulletin 10160555: Some vehicles may experience the check engine light and automatic transaxle warning light ON with one or more of these DTCs stored in the TCM memory (P0842, P0847, P0872, P0877, P0780, P1738). P0842:00 - Oil pressure swi…
  • MAZDA MX-5 (2016, 2014, 2015), bulletin 10091809: SOME VEHICLES MAY EXPERIENCE THE CHECK ENGINE LIGHT AND AUTOMATIC TRANSAXLE WARNING LIGHT ON WITH ONE OR MORE OF THESE DTCS STORED IN THE TCM MEMORY (P0842, P0847, P0872, P0877, P0780, P1738).P0842:00 - OIL PRESSURE SWIT…
  • MAZDA MAZDA3 (2012, 2013, 2014, 2015), bulletin 10099684: SOME VEHICLES MAY EXPERIENCE THE CHECK ENGINE LIGHT AND AUTOMATIC TRANSAXLE WARNING LIGHT ON WITH ONE OR MORE OF THESE DTCS STORED IN THE TCM MEMORY (P0842, P0847, P0872, P0877, P0780). P0842:00 - OIL PRESSURE SWITCH NO.…

Sources: NHTSA Office of Defects Investigation complaint database and manufacturer communications file, snapshots September 2026. A complaint or bulletin that mentions a code is a report about that vehicle, not a statement that the code has one cause.