Service bulletin 21-018-14
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.
| Type | Service bulletin |
|---|---|
| NHTSA id | 10137032 |
| Published by NHTSA | 2018-05-21 |
| Manufacturer's number | 21-018-14 |
| Manufacturer's date | 2014-05-15 |
| NHTSA component | ELECTRICAL SYSTEM; POWER TRAIN |
NHTSA's summary
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.
The document
The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.
Components
Electrical system, Transmission and driveline
Trouble codes named
P061B, P072F, P0734, P076F, P0810, P1CC9
| JEEP CHEROKEE | 2014 |
|---|
Listing a model year does not mean every vehicle of it is concerned: the document says which.
| 23V338000 | 2023-05-11. STRUCTURE:BODY:HATCHBACK/LIFTGATE; ELECTRICAL SYSTEM:WIRING: REAR COMPARTMENT/TRUNK |
|---|---|
| 2020261 | 2020-06-12. Powertrain |
| 20V343000 | 2020-06-11. POWER TRAIN:DRIVELINE:DIFFERENTIAL UNIT; POWER TRAIN:AUTOMATIC TRANSMISSION |
| 2019298 | 2019-06-14. Powertrain |
| 19V447000 | 2019-06-13. POWER TRAIN:AUTOMATIC TRANSMISSION |
| 18V332000 | 2018-05-17. ELECTRICAL SYSTEM:SOFTWARE; VEHICLE SPEED CONTROL:CRUISE CONTROL; ELECTRICAL SYSTEM:WIRING |
| 2016361 | 2016-07-13. Powertrain |
| 16V529000 | 2016-07-12. POWER TRAIN:AUTOMATIC TRANSMISSION |
A recall listed here may apply to some of the same vehicles. Only the manufacturer can say whether it applies to one vehicle.
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| S1408000384 REV.I | 2026-02-19. Service bulletin. Start Stop Charging Warning Lamp Illuminated On, Intelligent Battery Sensor (IBS) State of Charge (SOC) Inaccurate, Battery Charging Message, Presence of IBS Related Diagnostic Trouble Codes (DTCs), or Battery Warning Lamp On |
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| S1408000384 REV.H | 2025-01-28. Service bulletin. Start Stop Charging Warning Lamp Illuminated On, Intelligent Battery Sensor (IBS) State of Charge (SOC) Inaccurate, Battery Charging Message, Presence of IBS Related Diagnostic Trouble Codes (DTCs), or Battery Warning Lamp On |
| S1408000384 REV.G | 2025-01-09. Service bulletin. Start Stop Charging Warning Lamp Illuminated On, Intelligent Battery Sensor (IBS) State of Charge (SOC) Inaccurate, Battery Charging Message, Presence of IBS related Diagnostic Trouble Codes (DTCs), or Battery Warning Lamp On |
| S1408000384 REV.F | 2024-07-02. Service bulletin. "Start Stop Charging Warning Lamp Illuminated On, Intelligent Battery Sensor (IBS) State of Charge (SOC) Inaccurate, Battery Charging Message, Presence of IBS related Diagnostic Trouble Codes (DTCs), or Battery Warning Lamp On " |
| S1408000384 | 2024-03-18. Service bulletin. Start Stop Charging Warning Lamp Illuminated On, Intelligent Battery Sensor (IBS) State of Charge (SOC) Inaccurate, Battery Charging Message, Presence of IBS related Diagnostic Trouble Codes (DTCs), or Battery Warning Lamp On |
| S2325000007 | 2024-01-08. Service bulletin. MIL/check engine lamp comes on after performing U90 recall PCM software update. |
| 9100226 | 2024-01-08. Service bulletin. Connector kit Before ordering this connector repair kit 68018957A$, check it in the Mopar Connector Repair Kit Website to confirm part number and applicability. There is an error with the wiring diagrams in Service Library that is causing the incorrect repair kit part number to populate. Please use the Mopar Connector Repair Kit Website until this issue is resolved. |