P0026: 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 P0026 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

No consumer complaints filed with NHTSA mention P0026. That usually means it's rare, or owners don't quote the code when they file.

Manufacturer service bulletins that name P0026

5 technical service bulletins and manufacturer communications filed with NHTSA mention P0026, from 2 makes. A bulletin means the manufacturer has documented a known cause or a fix procedure for that model. Examples:

  • JAGUAR XF (2013, 2014, 2015, 2017), bulletin 10110966: Situation: A rattle noise may be evident from the engine compartment and/or the Malfunction Indicator Lamp (MIL) is illuminated. The Diagnostic Trouble Code (DTC) that may be logged include P0016, P0017, P0026, or P0341.…
  • LAND ROVER DISCOVERY (2016, 2015, 2013, 2014), bulletin 10117000: Situation: A rattle noise may be evident from the engine compartment and/or the Malfunction Indicator Lamp (MIL) is illuminated. The Diagnostic Trouble Code (DTC) that may be logged include P0016, P0017, P0026, or P0341.…
  • LAND ROVER DISCOVERY SPORT (2015, 2016, 2012, 2013), bulletin 10105744: SITUATION: A RATTLE NOISE MAY BE EVIDENT FROM THE ENGINE COMPARTMENT AND/OR THE MALFUNCTION INDICATOR LAMP (MIL) IS ILLUMINATED. THE DIAGNOSTIC TROUBLE CODE (DTC) THAT MAY BE LOGGED INCLUDE P0016, P0017, P0026, OR P0341.…
  • LAND ROVER RANGE ROVER EVOQUE (2012, 2013, 2014, 2015), bulletin 10103541: "ISSUE: EVOQUE OR FREELANDER 2 / LR2 2.0L GASOLINE ENGINES - THE CUSTOMER REPORTS CHECK ENGINE LAMP ON WITH POSSIBLE NOISE FROM THE ENGINE. THE DTC THAT MAY BE LOGGED INCLUDE P0016-76, P0341-00, P000A-00, OR P0026-00. TH…

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.