JEEP
21-059-15
Manufacturer communications
- Publication date
- 2015-11-07
- Received by NHTSA
- 2019-05-20
- NHTSA record numbers
- 10159917
Manufacturer summary
Original wording in English
Flash: Transmission Diagnostic And Shift Enhancements This bulletin involves reprogramming the Transmission Control Module (TCM) with the latest available software. 2.4L Engine (Sales Code ED6) Some customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation, a technician may find the following Diagnostic Trouble Code (DTC) stored in the TCM memory: ? P061B - Internal Control Module Torque Calculation Performance. In addition, some customers may experience one or more of the following conditions: ? Less than desired low speed drivability and response to accelerator pedal input. ? Less than desired 5-4 coast down transmission shift quality. ? Less than desired transmission shift quality. ? Transmission is slow to upshift after releasing the accelerator pedal. 3.2L Engine (Sales Code EBH) Some customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation, a technician may find the following Diagnostic Trouble Code (DTC) stored in the TCM memory: ? P061B - Internal Control Module Torque Calculation Performance. In addition, some customers may experience one or more of the following conditions: ? Less than desired low speed drivability and response to accelerator pedal input. ? Less than desired 5-4 coast down transmission shift quality. ? Less than desired transmission shift quality. ? Less than optimal transmission shift timing, driving up and down hills. ? Less than desired Engine Stop/Start re-engagement or smoothness. ? Transmission is slow to upshift after releasing the accelerator pedal.
Reported code forms
Manufacturer wording
Source wording can vary by vehicle and suffix. It is shown as written, not as a universal diagnosis.
Jeep
P061BInternal Control Module Torque Calculation PerformanceCheck vehicle applicability
A listed vehicle is a research lead. Confirm the engine, production range and software in the manufacturer's information.
| Make | Model | Model year |
|---|---|---|
| Jeep | CHEROKEE | 2016 |