{"vehicle":{"id":"2015_jeep_cherokee","year":2015,"make":"Jeep","model":"Cherokee"},"code":"U0402","generic":true,"description":null,"bulletins":{"as_of":"2026-10-19","count":23,"bulletins":[{"nhtsa_id":10229189,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2023-01-09","date":"2015-02-07","document_id":"2100815-1","mfr_campaign":null,"component":"EXTERIOR LIGHTING; ELECTRICAL SYSTEM","summary":"Transmission Shift Quality C-Clutch Snap Ring This bulletin involves removing the transmission, disassembling, and replacing the C-Clutch snap ring. A small number of customers may experience less than desired shift quality during a 5-4 downshift and/or Malfunction Indicator Lamp (MIL) Illumination. Upon further inspection, the technician may find Diagnostic Trouble Code (DTC) U0402 setting in the Powertrain Control Module (PCM) memory.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2015/MC-10229189-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2015/MC-10229189-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10229189"},{"nhtsa_id":10229183,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2023-01-09","date":"2015-02-05","document_id":"2100815","mfr_campaign":null,"component":"EXTERIOR LIGHTING; ELECTRICAL SYSTEM","summary":"Transmission Shift Quality C-Clutch Snap Ring This bulletin involves removing the transmission, disassembling, and replacing the C-Clutch snap ring. A small number of customers may experience less than desired shift quality during a 5-4 downshift and/or Malfunction Indicator Lamp (MIL) Illumination. Upon further inspection, the technician may find Diagnostic Trouble Code (DTC) U0402 setting in the Powertrain Control Module (PCM) memory.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2015/MC-10229183-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2015/MC-10229183-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10229183"},{"nhtsa_id":10228106,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2022-12-19","date":"2016-05-20","document_id":"1800416REVA","mfr_campaign":null,"component":"ELECTRICAL SYSTEM; POWER TRAIN; ENGINE AND ENGINE COOLING","summary":"Flash: 2.4L Powertrain Diagnostic And System Improvements This bulletin involves reprogramming the Powertrain Control Module (PCM) with the latest available software. Some customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find one or more of the following DTCs: 2015 KL Only · **P0335 - Crankshaft Position Sensor Circuit.** · P0456 - EVAP System Small Leak. · P0300 - Multiple Cylinder Misfire. · P0301 - Cylinder 1 Misfire. · P0302 - Cylinder 2 Misfire. · P0303 - Cylinder 3 Misfire. · P0304 - Cylinder 4 Misfire. · P2610 - PCM Internal Engine Off Timer Performance. · P1607 - PCM Internal Shutdown Timer Rationality. · U0402 - Implausible Data Received From TCM (ED6). · P0116 - Engine Coolant Temperature Sensor 1 Performance. · P050D - Cold Start Rough Idle. · P2172 - High Airflow/Vacuum Leak Detected. · P219A - Air-Fuel Ratio Cylinder Imbalance Bank 1 has been set in the PCM. 2014 KL Only · P2172 - High Airflow/Vacuum Leak Detected. · P219A - Air-Fuel Ratio Cylinder Imbalance Bank 1 has been set in the PCM. · P106A - Cylinder 3 Oil Supply Solenoid Valve Switch Off Time Out Of Range. · P2251 - O2 Sensor 1/1 Negative Current Control Circuit Open. · P0031 - O2 Sensor 1/1 Heater Circuit Low. In addition, some customers may experience one or more of the following conditions: · Cold Engine Startup Flare and Idle Surge (ED6). · Intermittent elevated engine RPM at start up. · Less than desired gear engagement in lower ambient temperatures. · Less than desired idle performance.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2016/MC-10228106-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2016/MC-10228106-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10228106"},{"nhtsa_id":10224623,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2022-10-24","date":"2016-04-02","document_id":"18-035-16","mfr_campaign":null,"component":"BACK OVER PREVENTION; ELECTRICAL SYSTEM; POWER TRAIN; ENGINE AND ENGINE COOLING; EXTERIOR LIGHTING","summary":"Flash: Powertrain Diagnostic And System Improvements This bulletin involves reprogramming the Powertrain Control Module (PCM) with the latest available software. A small number of customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation, the technician may find the following Diagnostic Trouble Codes (DTCs) set in the PCM memory: · **P1D83 - Implausible Engine Oil Temperature Signal Received.** · P0456 - EVAP System Small Leak. · P0335 - Crankshaft Position Sensor Circuit. · U0402 - Implausible Data Received From TCM - (Transmission Control Module).** · B10EA - Blower Motor Control Circuit High. · B10E9 - Blower Motor Control Circuit Low. · P0441 - EVAP Purge System Performance. · P0116 - Engine Coolant Temperature Sensor Performance. · P2067 - Fuel Level Sensor 2 Circuit Low (International Only). In addition the customer may notice one of the following conditions: · **A push sensation when the transmission is downshifting from eighth to seventh gear.** · Vehicle shudder at stop/start with A/C on.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2016/MC-10224623-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2016/MC-10224623-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10224623"},{"nhtsa_id":10223610,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2022-10-17","date":"2015-02-07","document_id":"2100815REVA","mfr_campaign":null,"component":"POWER TRAIN","summary":"Transmission Shift Quality C-Clutch Snap Ring This bulletin involves removing the transmission, disassembling, and replacing the C-Clutch snap ring. A small number of customers may experience less than desired shift quality during a 5-4 downshift and/or Malfunction Indicator Lamp (MIL) Illumination. Upon further inspection, the technician may find Diagnostic Trouble Code (DTC) U0402 setting in the Powertrain Control Module (PCM) memory.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2015/MC-10223610-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2015/MC-10223610-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10223610"},{"nhtsa_id":10223604,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2022-10-17","date":"2015-02-05","document_id":"2100815","mfr_campaign":null,"component":"POWER TRAIN","summary":"Transmission Shift Quality C-Clutch Snap Ring This bulletin involves removing the transmission, disassembling, and replacing the C-Clutch snap ring. A small number of customers may experience less than desired shift quality during a 5-4 downshift and/or Malfunction Indicator Lamp (MIL) Illumination. Upon further inspection, the technician may find Diagnostic Trouble Code (DTC) U0402 setting in the Powertrain Control Module (PCM) memory.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2015/MC-10223604-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2015/MC-10223604-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10223604"},{"nhtsa_id":10221523,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2022-09-26","date":"2015-02-07","document_id":"21-008-15A","mfr_campaign":null,"component":"ELECTRICAL SYSTEM; EXTERIOR LIGHTING","summary":"Transmission Shift Quality C-Clutch Snap Ring This bulletin involves removing the transmission, disassembling, and replacing the C-Clutch snap ring. A small number of customers may experience less than desired shift quality during a 5-4 downshift and/or Malfunction Indicator Lamp (MIL) Illumination. Upon further inspection, the technician may find Diagnostic Trouble Code (DTC) U0402 setting in the Powertrain Control Module (PCM) memory.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2015/MC-10221523-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2015/MC-10221523-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10221523"},{"nhtsa_id":10221517,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2022-09-26","date":"2015-02-05","document_id":"21-008-15","mfr_campaign":null,"component":"POWER TRAIN","summary":"Transmission Shift Quality C-Clutch Snap Ring This bulletin involves removing the transmission, disassembling, and replacing the C-Clutch snap ring. A small number of customers may experience less than desired shift quality during a 5-4 downshift and/or Malfunction Indicator Lamp (MIL) Illumination. Upon further inspection, the technician may find Diagnostic Trouble Code (DTC) U0402 setting in the Powertrain Control Module (PCM) memory.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2015/MC-10221517-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2015/MC-10221517-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10221517"},{"nhtsa_id":10217417,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2022-08-08","date":"2015-10-17","document_id":"18-005-15 REV. E","mfr_campaign":null,"component":"EXTERIOR LIGHTING; ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM","summary":"Flash: 2.4L Powertrain Diagnostic And System Improvements This bulletin involves reprogramming the Powertrain Control Module (PCM) with the latest available software. A small number of customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the Technician may find one or more of the following Diagnostic Trouble Codes (DTCs). 2015 KL Only ? U0402 - Implausible Data Received From TCM (ED6). ? P0116 - Engine Coolant Temperature Sensor 1 Performance. ? P050D - Cold Start Rough Idle. ? P2172 - High Airflow/Vacuum Leak Detected. ? P219A - Air-Fuel Ratio Cylinder Imbalance Bank 1 has been set in the PCM. 2014 KL Only ? P2172 - High Airflow/Vacuum Leak Detected. ? P219A - Air-Fuel Ratio Cylinder Imbalance Bank 1 has been set in the PCM. ? P106A - Cylinder 3 Oil Supply Solenoid Valve Switch Off Time Out Of Range. ? P2251 - O2 Sensor 1/1 Negative Current Control Circuit Open. ? P0031 - O2 Sensor 1/1 Heater Circuit Low. In addition, some customers may experience one or more of the following conditions. These conditions apply to 2015 model year vehicles only. ? Cold Engine Startup Flare and Idle Surge (ED6). ? Intermittent elevated engine RPM at start up. ? Less than desired gear engagement in lower ambient temperatures. ? Less than desired idle performance.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2015/MC-10217417-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2015/MC-10217417-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10217417"},{"nhtsa_id":10216179,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2022-07-25","date":"2015-10-17","document_id":"18-005-15 REV. E","mfr_campaign":null,"component":"POWER TRAIN:AUTOMATIC TRANSMISSION; EQUIPMENT; ENGINE AND ENGINE COOLING","summary":"Flash: 2.4L Powertrain Diagnostic And System Improvements This bulletin involves reprogramming the Powertrain Control Module (PCM) with the latest available software. A small number of customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the Technician may find one or more of the following Diagnostic Trouble Codes (DTCs). 2015 KL Only ? U0402 - Implausible Data Received From TCM (ED6). ? P0116 - Engine Coolant Temperature Sensor 1 Performance. ? P050D - Cold Start Rough Idle. ? P2172 - High Airflow/Vacuum Leak Detected. ? P219A - Air-Fuel Ratio Cylinder Imbalance Bank 1 has been set in the PCM. 2014 KL Only ? P2172 - High Airflow/Vacuum Leak Detected. ? P219A - Air-Fuel Ratio Cylinder Imbalance Bank 1 has been set in the PCM. ? P106A - Cylinder 3 Oil Supply Solenoid Valve Switch Off Time Out Of Range. ? P2251 - O2 Sensor 1/1 Negative Current Control Circuit Open. ? P0031 - O2 Sensor 1/1 Heater Circuit Low. In addition, some customers may experience one or more of the following conditions. These conditions apply to 2015 model year vehicles only. ? Cold Engine Startup Flare and Idle Surge (ED6). ? Intermittent elevated engine RPM at start up. ? Less than desired gear engagement in lower ambient temperatures. ? Less than desired idle performance.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2015/MC-10216179-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2015/MC-10216179-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10216179"}],"url":"https://open.wenmarpro.com/makes/jeep/cherokee/2015/bulletins?code=U0402"},"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/jeep/cherokee/2015/codes/U0402","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."]}