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Service bulletin 21-014-16

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.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id10218290
Published by NHTSA2022-08-22
Manufacturer's number21-014-16
Manufacturer's date2016-04-05
NHTSA componentELECTRICAL SYSTEM; POWER TRAIN

NHTSA's summary

Flash: Transmission Diagnostic And Shift Enhancements This bulletin involves reprogramming the Transmission Control Module (TCM) with the latest available software. Some customers may experience unwanted activation of second gear start while in winter mode. The following enhancements are included in the software update: · Disable Winter Mode Second Gear Launch (Improve low traction launch).

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

Vehicles listed
JEEP CHEROKEE2016

Listing a model year does not mean every vehicle of it is concerned: the document says which.

Recalls for the same vehicles and component
23V3380002023-05-11. STRUCTURE:BODY:HATCHBACK/LIFTGATE; ELECTRICAL SYSTEM:WIRING: REAR COMPARTMENT/TRUNK
20232542023-04-27. Powertrain
23V3020002023-04-27. POWER TRAIN:AUTOMATIC TRANSMISSION
20202612020-06-12. Powertrain
20V3430002020-06-11. POWER TRAIN:DRIVELINE:DIFFERENTIAL UNIT; POWER TRAIN:AUTOMATIC TRANSMISSION
18V3320002018-05-17. ELECTRICAL SYSTEM:SOFTWARE; VEHICLE SPEED CONTROL:CRUISE CONTROL; ELECTRICAL SYSTEM:WIRING
20162202016-05-12. Powertrain
20162192016-05-12. Powertrain
16V2870002016-05-11. POWER TRAIN:AXLE ASSEMBLY:AXLE SHAFT
16V2840002016-05-11. POWER TRAIN:AXLE ASSEMBLY:AXLE SHAFT

A recall listed here may apply to some of the same vehicles. Only the manufacturer can say whether it applies to one vehicle.

Other bulletins for the same vehicles and component
08-292-262026-07-29. Service bulletin. Unable To Clear C1494-07 And C14A9-00 After 45A Recall Technicians may experience the following: SYMPTOM: ● wiTECH displays a mismatch error after performing recall 45A.
S1408000384 REV.J2026-03-13. 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.I2026-02-19. 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
S1721000016 REV.B2025-12-23. Service bulletin. Service 4wd Light On, AWD System Service Required Message Illuminated. Diagnostic Trouble Code (DTC) C14A7-97 PTU Motor Component Or System Operation Obstructed Or Blocked.
S2208000138 REV.B2025-07-09. Service bulletin. Decreased Remote Start And RKE Range. Tire Pressure Sensors Values Are Not Displayed
S1408000384 REV.H2025-01-28. 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.G2025-01-09. 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.F2024-07-02. 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 "
S14080003842024-03-18. 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
S23250000072024-01-08. Service bulletin. MIL/check engine lamp comes on after performing U90 recall PCM software update.