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Service bulletin 21-015-16

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 id10074982
Published by NHTSA2016-06-22
Manufacturer's number21-015-16
Manufacturer's date2016-04-05
NHTSA componentELECTRICAL SYSTEM:SOFTWARE

NHTSA's summary

SUMMARY TO BE PROVIDED ON A FUTURE DATE.

The document

No address for NHTSA's copy can be built for this communication. Ask the dealer for it by the manufacturer's number.

Components

Electrical system, Software

Vehicles listed
CHRYSLER 2002015
JEEP CHEROKEE2015

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

Recalls for the same vehicles and component
18V3320002018-05-17. ELECTRICAL SYSTEM:SOFTWARE; VEHICLE SPEED CONTROL:CRUISE CONTROL; ELECTRICAL SYSTEM:WIRING

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
S23250000072024-01-08. Service bulletin. MIL/check engine lamp comes on after performing U90 recall PCM software update.
1805915 REV A2022-07-05. Service bulletin. Diagnostic And System Improvements.
18040162022-07-05. Service bulletin. Diagnostic And System Improvements.
18035162022-07-05. Service bulletin. Powertrain Diagnostic And System Enhancements.
18029162022-07-05. Service bulletin. Powertrain Diagnostic And System Enhancements.
1802916 REV A2022-07-05. Service bulletin. Powertrain Diagnostic And System Enhancements.
18023162022-07-05. Service bulletin. Powertrain Diagnostic And System Enhancements.
18004162022-07-05. Service bulletin. Powertrain Diagnostic And System Improvements.
18-059-15 REV A2019-05-20. Service bulletin. Flash: 3.6L Diagnostic And System Improvements This bulletin involves reprogramming the Powertrain Control Module (PCM) with new software. The following powertrain system improvements/enhancements are included in this software release: ? P0480 Cooling Fan 1 Control Circuit/open. ? P0456 EVAP System Small Leak. ? U0402 Implausible Data Received From TCM. ? P0441 EVAP Purge System Performance. ? P0116 Engine Coolant Temperature Sensor Performance. ? New software to address customer?s concern of extended crank times when starting engine. ? Software to enable the clearing of erroneous DTC U0140 Loss of communication with the Body Control Module (BCM). ? New software to enable the ?Transmission Quick Learn? feature.
18-006-15 REVD2018-12-03. Service bulletin. 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 the following Diagnostic Trouble Codes (DTCs) set in the PCM memory: 2015 UF Vehicles with (sales codes ED6 or ED8), built on or before April 6, 2015 (MDH 0406XX). ? Improve cold engine idle, reduce idle flare up (ED6 only). ? P2172 - High Airflow/Vacuum Leak Detected. ? P1D73 - AGS Performance. ? U0140 - Lost Communication With Body Control Module. ? P0441 - Evap Purge System Performance. ? P0116 - Engine Coolant Temperature Sensor 1 Performance . ? P050D - Cold Start Rough Idle. 2015 PF Vehicles with (sales codes ED6, ED8), built on or before April 2, 2015 (MDH 0402XX). ? Improve cabin warm up in cold weather, when the vehicle is in park or neutral and the temperature is between °10F to °40F (-12C to 4.5C). ? P219A - Bank 1 Air-Fuel Ratio Imbalance. ? P2172 - High Airflow/Vacuum Leak Detected. ? P1D73 - AGS Performance. ? U0140 - Lost Communication With Body Control Module. ? P0116 - Engine Coolant Temperature Sensor 1 Performance. ? P050B - Cold Start Ignition Timing Performance. ? P050D - Cold Start Rough Idle. ? P061A - Level 2 Torque Performance. ? P2172 - High Airflow/Vacuum Leak Detected (Instantaneous Accumulation). 2013-2014 PF Vehicles. ? P219A - Bank 1 Air-Fuel Ratio Imbalance. ? P2251 - O2 Sensor 1/1 Negative Current Control Circuit Open. ? P106A - Cylinder 3 Oil Supply Solenoid Valve Switch Off Time Out Of Range. ? P2172 - High Airflow/Vacuum Leak Detected. ? P1D73 - AGS Performance. ? U0140 - Lost Communication With Body Control Module.