P0042 on the 2014 Jaguar XJ
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.
| JTB00392NAS1 | 2017-03-31. Service bulletin. "SITUATION: THE ENGINE MALFUNCTION INDICATOR LAMP (MIL) MAY BE ILLUMINATED. UPON DIAGNOSIS, THE TECHNICIAN MAY FIND DIAGNOSTIC TROUBLE CODES (DTC) RELEVANT TO THE MID-CATALYST AND POST-CATALYST HEATED OXYGEN SENSORS (HO2S) -- P0036, P0037, P0038, P0042, P0043, P0044, P0054, P0055, P0056, P0057, P0058, P0060, P0061, P0062, P0063, P0064, P0136, P013A, P013C, P013E, P0141 , P0141, P0142, P0143, P0144, P0147, P014A, P0156, P0157, P0158, P0161, P0162, P0163, P0164, AND/OR P0167 -- STORED IN THE ENGINE CONTROL MODULE (ECM). CAUSE: THIS MAY BE CAUSED BY A POST-CATALYST HEATED OXYGEN SENSORS (HO2S) SOFTWARE ERROR." |
|---|---|
| JTB-00392-NAS-3 | 2016-09-19. Service bulletin. SITUATION: THE ENGINE MALFUNCTION INDICATOR LAMP (MIL) MAY BE ILLUMINATED. UPON DIAGNOSIS, THE TECHNICIAN MAY FIND DIAGNOSTIC TROUBLE CODES (DTC) RELEVANT TO THE MID-CATALYST AND POST-CATALYST HEATED OXYGEN SENSORS (HO2S) -- P0036, P0037, P0038, P0042, P0043, P0044, P0054, P0055, P0056, P0057, P0058, P0060, P0061, P0062, P0063, P0064, P0136, P013A, P013C, P013E, P0141 , P0141, P0142, P0143, P0144, P0147, P014A, P0156, P0157, P0158, P0161, P0162, P0163, P0164, AND/OR P0167 -- STORED IN THE POWERTRAIN CONTROL MODULE (PCM). |
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.