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Service bulletin 21-011-16

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 id10074978
Published by NHTSA2016-06-22
Manufacturer's number21-011-16
Manufacturer's date2016-03-09
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
JEEP GRAND 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
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
90037332018-06-04. Service bulletin. Park Assist ECU (WK & RU) The customer may describe that if the park assist system is ON, pressing the LED button will not turn the system OFF. The customer may also experience a flicker in the graphics or chimes. If the park assist system is OFF, pressing the LED button will not turn the system ON. When this happens the park assist feature is disabled. If the issue detailed above is what you are seeing, reflash park assist module to newest software as per the latest Service Bulletin available.
08-095-172017-11-03. Service bulletin. Flash: BCM Diagnostic and System Improvements This bulletin involves reprogramming the Body Control Module (BCM) with the latest available software. The customer may describe one or more of the following symptom/conditions:The headlamps flicker while operating at night. This condition may bemore prevalent after the bulb(s) have been replaced with an aftermarket bulb. Customers with Diesel engine equipped vehicles may experience cancelled remotestart request during winter months.
18-024-17 REV. C2017-11-03. Service bulletin. Flash: Powertrain Diagnostic and System Enhancements This bulletin involves reprogramming the Powertrain Control Module (PCM) with the latest available software. Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find one of the following DTCs have been set:P0556 - Brake Booster Pressure Sensor Circuit Performance. P040B - Exhaust Gas Recirculation Temperature Sensor 1 Circuit Performance(3.6L Only). U1424 - Implausible Engine Torque Signal Received(2017 MY Only). P2681 - Engine Coolant Bypass Valve Control Circuit Open(3.6L Only). P2299-00 - Brake Pedal Position/Accelerator Pedal Position Incompatible. B23C3 - Stop/Start Disable Switch 1/2 Correlation(3.0L and 3.6L Only). The following DTCs have been changed from a one trip fault to a two trip fault for(3.0L and 3.6L Only):P0335 - Crankshaft Position Sensor Circuit. P0339 - Crankshaft Position Sensor Intermittent. P0340 - Camshaft Position Sensor Circuit - Bank 1 Sensor 1. P0344 - Camshaft Position Sensor Intermittent - Bank 1 Sensor 1. P0365 - Camshaft Position Sensor Circuit - Bank 1 Sensor 2. P0369 - Camshaft Position Sensor Intermittent - Bank 1 Sensor 2. P0345 - Camshaft Position Sensor Circuit - Bank 2 Sensor 1. P0349 - Camshaft Position Sensor Intermittent - Bank 2 Sensor 1. P0390 - Camshaft Position Sensor Circuit - Bank 2 Sensor 2. P0394 - Camshaft Position Sensor Intermittent - Bank 2 Sensor 2. In addition, customers may experience one of the following conditions:A shorter auxiliary battery life. An illuminated Automatic Oil Change Indication (AOCI) light(3.6L Only). Other enhancements included in this update:Improvements to vehicle drivability during a cam or crank sensor MIL condition(2017 MY Only). Improved knock sensor performance.
08-028-17 REV. B2017-11-03. Service bulletin. RA3 and RA4 Radio Over The Air Software Updates This bulletin provides information regarding the latest Flash Over The Air (FOTA) update and provides the service technician an overview of the steps a customer will need to take to complete the update. The following improvements are included in this update:Fix for sport mode not working in the performance menu page (2015 LA equipped with 6.4L and 5.7L Sales Codes ESH and EZC Only). Adds Apple Siri® Eyes Free capability for iPhone® owners. Auto Play can now be configured. Adds do not disturb text message feature. The ability to drag and drop icons into the menu bar. Fix for radio locks up/frozen. Fix for stuck on black/blank screen. Human Machine Interface (HMI) improvements. Several navigation improvements. Fix for radio loss of time display. Media devices, phone pairing and Bluetooth usage improvements. Improved tuner performance. Enhanced Voice recognition (VR) performance. Enhancements in Connectivity Apps (Yelp, Pandora, Aha, etc).
09-012-162017-11-03. Service bulletin. Camshaft Replacement This bulletin involves replacing the left and right intake camshafts due to a missing feature on the nose of the camshaft. 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: · P000A/P000C - Camshaft Slow To Respond. · P0300 - Multiple Cylinder Misfire.
18-049-162016-07-14. Service bulletin. SYMPTOM/CONDITION: A small number of customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find the following Diagnostic Trouble Code (DTC) set in the PCM memory: · P2299-00 - Brake Pedal Position/Accelerator Pedal Position Incompatible. Other enhancements included in this update: · Improved knock sensor performance.
08-057-162016-07-14. Service bulletin. SUBJECT: RA3 RA4 Radio Enhancements OVERVIEW: This bulletin involves inspecting and, if required, updating the radio software. SYMPTOM/CONDITION: A small number of customers may experience one or more of the following: • Navigation failed message is displayed. • Clock not automatically updating to local time. • Poor or no connection to cellular network. • HVAC temperature out of sync with radio display (KL vehicles). • Display goes blank/black. • Radio locks up. • Some Uconnect App remote commands do not execute with the vehicle.
08-049-162016-07-14. Service bulletin. SUBJECT: Flash: Intrusion Transceiver Module Enhancements OVERVIEW: This bulletin involves updating the Intrusion Transceiver Module (ITM) with new software. SYMPTOM/CONDITION: The customer may describe the intrusion alarm randomly activating with no apparent intrusion.
18-049-162016-07-07. Service bulletin. OVERVIEW: This bulletin involves reprogramming the Powertrain Control Module (PCM) with the latest available software. SYMPTOM/CONDITION: A small number of customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find the following Diagnostic Trouble Code (DTC) set in the PCM memory: · P2299-00 - Brake Pedal Position/Accelerator Pedal Position Incompatible. Other enhancements included in this update: · Improved knock sensor performance.
18-026-162016-06-22. Service bulletin. SUMMARY TO BE PROVIDED ON A FUTURE DATE.