Service bulletins for the 2014 Jeep Cherokee
A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.
563 on file from NHTSA, as of 2026-10-19.
About P0734 on the 2014 Jeep Cherokee: what the code means, and the bulletins and recalls about the same components.
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Only bulletins with trouble code: P0734 are shown. Show all
| 2101814REVB | 2022-09-26. Service bulletin. ELECTRICAL SYSTEM; POWER TRAIN. Flash: Transmission Shift and Diagnostic Enhancements This bulletin involves flash reprogramming of the Transmission Control Module (TCM) with new software.Vehicles that are being updated from TCM software p/n 682235$$AN or 682354$$AN ($$ are wild cards for any number) will not require the 9 Speed Adaptation Drive Learn Procedure to be performed. However, vehicles being updated from any other software part number will require the Adaptation Drive Learn Procedure to be performed. Refer to all applicable published service bulletins regarding the 9 Speed Adaptation Drive Learn procedure for detailed repair procedures and labor times. Diagnostic Trouble Code (DTC) robustness improvements are included in this software release. These improvements apply to the following DTCs: P072F- Stuck in Gear 4 P076F- Gear 7 shift incorrect ratio P0810- Clutch position control error P1CC9- Unable to engage gear P0734- Gear 4 shift incorrect ratio P061B- Internal control module torque calculation performance |
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| 21-018-14 REV. A | 2022-08-15. Service bulletin. ELECTRICAL SYSTEM; POWER TRAIN. Flash: Transmission Shift and Diagnostic Enhancements This bulletin involves flash reprogramming of the Transmission Control Module (TCM) with new software. NOTE: Vehicles that are being updated from TCM software p/n 682235$$AN or 682354$$AN ($$ are wild cards for any number) will not require the transmission Adaptation Learn Procedure as indicated in Service Bulletin 21-013-13. However, vehicles that are being updated from any other TCM software may require the transmission Adaptation Learn Procedure. Refer to Service Bulletin 21-013-13 for detailed procedures. Failure to perform the procedures outlined in Service Bulletin 21-013-13 on vehicles that were updated from any other TCM software besides p/n 682235$$AN or 682354$$AN may result in undesirable shift quality. Diagnostic Trouble Code (DTC) robustness improvements are included in this software release. These improvements apply to the following DTC?s: ? P072F- Stuck in Gear 4 ? P076F- Gear 7 shift incorrect ratio ? P0810- Clutch position control error ? P1CC9- Unable to engage gear ? P0734- Gear 4 shift incorrect ratio ? P061B- Internal control module torque calculation performance NOTE: Diagnostic Trouble Code (DTC) robustness improvements were included in TCM software p/n 682235$$AN or 682354$$AN ($$ are wild cards for any number). Standard diagnostic trouble shooting procedures should be followed for any vehicle equipped with TCM software p/n 682235$$AN or 682354$$AN exhibiting any of the previous codes. Transmission shift improvements are included in this software release. These improvements apply to the following: ? Garage shifts (Park to Reverse or Drive). ? Coastdown shift quality. ? Shift quality. ? Throttle response and performance feel. ? Management and prevention of busy shifting. ? Lift foot/change mind shift quality. |
| 21-043-15 | 2018-12-10. Service bulletin. POWER TRAIN. Flash: Transmission Shift and Diagnostic Enhancements This bulletin involves reprogramming the Transmission Control Module (TCM) with the latest available software. A small number of customers may experience a Malfunction Indicator Lamp (MIL) illumination on vehicles equipped with a 948TE 9 speed automatic transmission (sales code DFH or DFJ). Upon further investigation, a technician may find one or more of the following Diagnostic Trouble Codes (DTCs) stored in the TCM memory. ? P0711-00 - Transmission Fluid Temperature Sensor A Circuit Range-Performance ? P072F-00 - Stuck in Gear 4 ? P076F-00 - Gear 7 shift incorrect ratio ? P0810-00 - Clutch position control error ? P1CC9-00 - Unable to engage gear ? P0734-00 - Gear 4 shift incorrect ratio ? P061B-00 - Internal control module torque calculation performance In addition, the following transmission shift and performance improvements are included in this software release. ? 3-2 downshift delay while driving on inclines. ? Garage shifts (Park to Reverse or Drive). ? Overall coastdown shift quality. ? Throttle response and performance feel. ? Management and prevention of busy shifting. ? Lift foot/change mind shift quality. |
| 21-018-14 REV. A | 2018-06-18. Service bulletin. ELECTRICAL SYSTEM; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM); POWER TRAIN. Flash: Transmission Shift and Diagnostic Enhancements This bulletin involves flash reprogramming of the Transmission Control Module (TCM) with new software. NOTE: Vehicles that are being updated from TCM software p/n 682235$$AN or 682354$$AN ($$ are wild cards for any number) will not require the transmission Adaptation Learn Procedure as indicated in Service Bulletin 21-013-13. However, vehicles that are being updated from any other TCM software may require the transmission Adaptation Learn Procedure. Refer to Service Bulletin 21-013-13 for detailed procedures. Failure to perform the procedures outlined in Service Bulletin 21-013-13 on vehicles that were updated from any other TCM software besides p/n 682235$$AN or 682354$$AN may result in undesirable shift quality. Diagnostic Trouble Code (DTC) robustness improvements are included in this software release. These improvements apply to the following DTC?s: ? P072F- Stuck in Gear 4 ? P076F- Gear 7 shift incorrect ratio ? P0810- Clutch position control error ? P1CC9- Unable to engage gear ? P0734- Gear 4 shift incorrect ratio ? P061B- Internal control module torque calculation performance NOTE: Diagnostic Trouble Code (DTC) robustness improvements were included in TCM software p/n 682235$$AN or 682354$$AN ($$ are wild cards for any number). Standard diagnostic trouble shooting procedures should be followed for any vehicle equipped with TCM software p/n 682235$$AN or 682354$$AN exhibiting any of the previous codes. Transmission shift improvements are included in this software release. These improvements apply to the following: ? Garage shifts (Park to Reverse or Drive). ? Coastdown shift quality. ? Shift quality. ? Throttle response and performance feel. ? Management and prevention of busy shifting. ? Lift foot/change mind shift quality. |
| 21-016-16 | 2018-06-11. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; POWER TRAIN. Flash: Transmission Diagnostic And Shift Enhancements This bulletin involves reprogramming the Transmission Control Module (TCM) with the latest available software. Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find that the following Diagnostic Trouble Codes (DTCs) have been set: · **P0887-00 - TCM Power Control Circuit High (Sales Codes ED6 and EHB). · P061B-00 - Internal Control Module Torque Calculation Performance (Sales Codes ED6 and EHB).** · P0711-00 - Transmission Fluid Temperature Sensor A Circuit Range-Performance. · P072F-00 - Stuck In Gear 4. · P076F-00 - Gear 7 shift Incorrect Ratio. · P0810-00 - Clutch Position Control Error. · P1CC9-00 - Unable To Engage Gear. · P0734-00 - Gear 4 Shift Incorrect Ratio. In addition, the following transmission shift and performance improvements are included in this software release: · **2-1 downshift quality when using Electronic Range Shifter (ERS) mode. · Garage shifts (Park to Reverse or Drive) (Sales Code EHB). · Poor 3-1 downshift quality when coasting to a stop (Sales Code ED6).** · 3-2 downshift delay while driving on inclines. · Overall coastdown shift quality. · Throttle response and performance feel. · Management and prevention of busy shifting. · Lift foot/change mind shift quality. |
| 21-018-14 REV. B | 2018-06-11. Service bulletin. POWER TRAIN. Flash: Transmission Shift and Diagnostic Enhancements This bulletin involves flash reprogramming of the Transmission Control Module (TCM) with new software.Vehicles that are being updated from TCM software p/n 682235$$AN or 682354$$AN ($$ are wild cards for any number) will not require the 9 Speed Adaptation Drive Learn Procedure to be performed. However, vehicles being updated from any other software part number will require the Adaptation Drive Learn Procedure to be performed. Refer to all applicable published service bulletins regarding the 9 Speed Adaptation Drive Learn procedure for detailed repair procedures and labor times. Diagnostic Trouble Code (DTC) robustness improvements are included in this software release. These improvements apply to the following DTCs: P072F- Stuck in Gear 4 P076F- Gear 7 shift incorrect ratio P0810- Clutch position control error P1CC9- Unable to engage gear P0734- Gear 4 shift incorrect ratio P061B- Internal control module torque calculation performance |
| 21-018-14 | 2018-05-21. Service bulletin. ELECTRICAL SYSTEM; POWER TRAIN. Flash: Transmission Shift and Diagnostic Enhancements This bulletin involves flash reprogramming of the Transmission Control Module (TCM) with new software. NOTE: Vehicles that are being updated from TCM software p/n 682235$$AN or 682354$$AN ($$ are wild cards for any number) will not require the transmission Adaptation Learn Procedure as indicated in Service Bulletin 21-013-13. However, vehicles that are being updated from any other TCM software may require the transmission Adaptation Learn Procedure. Refer to Service Bulletin 21-013-13 for detailed procedures. Failure to perform the procedures outlined in Service Bulletin 21-013-13 on vehicles that were updated from any other TCM software besides p/n 682235$$AN or 682354$$AN may result in undesirable shift quality. Diagnostic Trouble Code (DTC) robustness improvements are included in this software release. These improvements apply to the following DTC?s: ? P072F- Stuck in Gear 4 ? P076F- Gear 7 shift incorrect ratio ? P0810- Clutch position control error ? P1CC9- Unable to engage gear ? P0734- Gear 4 shift incorrect ratio ? P061B- Internal control module torque calculation performance NOTE: Diagnostic Trouble Code (DTC) robustness improvements were included in TCM software p/n 682235$$AN or 682354$$AN ($$ are wild cards for any number). Standard diagnostic trouble shooting procedures should be followed for any vehicle equipped with TCM software p/n 682235$$AN or 682354$$AN exhibiting any of the previous codes. Transmission shift improvements are included in this software release. These improvements apply to the following: ? Garage shifts (Park to Reverse or Drive). ? Coastdown shift quality. ? Shift quality. ? Throttle response and performance feel. ? Management and prevention of busy shifting. ? Lift foot/change mind shift quality. |
| 21-016-16 | 2016-07-14. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; POWER TRAIN:AUTOMATIC TRANSMISSION. SYMPTOM/CONDITION: Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find that the following Diagnostic Trouble Codes (DTCs) have been set: • **P0887-00 - TCM Power Control Circuit High (Sales Codes ED6 and EHB). • P061B-00 - Internal Control Module Torque Calculation Performance (Sales Codes ED6 and EHB).** • P0711-00 - Transmission Fluid Temperature Sensor A Circuit Range-Performance. • P072F-00 - Stuck In Gear 4. • P076F-00 - Gear 7 shift Incorrect Ratio. • P0810-00 - Clutch Position Control Error. • P1CC9-00 - Unable To Engage Gear. • P0734-00 - Gear 4 Shift Incorrect Ratio. In addition, the following transmission shift and performance improvements are included in this software release: • **2-1 downshift quality when using Electronic Range Shifter (ERS) mode. • Garage shifts (Park to Reverse or Drive) (Sales Code EHB). • Poor 3-1 downshift quality when coasting to a stop (Sales Code ED6).** • 3-2 downshift delay while driving on inclines. • Overall coastdown shift quality. • Throttle response and performance feel. • Management and prevention of busy shifting. • Lift foot/change mind shift quality. |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.