Service bulletin 08-079-17 REV. A
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 | 10121795 |
| Published by NHTSA | 2017-11-03 |
| Manufacturer's number | 08-079-17 REV. A |
| Manufacturer's date | 2017-09-14 |
| NHTSA component | ELECTRICAL SYSTEM; STRUCTURE; ELECTRICAL SYSTEM:SOFTWARE |
NHTSA's summary
Flash: BCM Diagnostic and System Improvements This bulletin involves reprogramming the Body Control Module (BCM) with the latestavailable software. The customer may describe that the Pitch and Roll information does not appear in the radio screen.
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
Body and frame, Electrical system, Software
| JEEP GRAND CHEROKEE | 2017 |
|---|
Listing a model year does not mean every vehicle of it is concerned: the document says which.
| 18V332000 | 2018-05-17. 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.
| 21-002-17 REV. A | 2018-06-04. Service bulletin. Flash: Transmission Diagnostic and Shift Enhancements This bulletin involves reprogramming the Transmission Control Module (TCM) with the latest available software. 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:P1DCD-00 - TCM Monitoring Processor Performance Multiple Clutches Locked Up. In addition, customers may also experience the following condition:During an engine limp mode condition, the transmission remains in a fixed gear. This update allows transmission gear shifting while in limp-in mode, rather than a fixed gear. Bumps on 2-1 and 6-5 down-shift while braking. This software update also includes an enhancement:Improved 5-4 down-shift. |
|---|---|
| 9003733 | 2018-06-04. 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. |
| 18-024-17 REV. C | 2017-11-03. 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. B | 2017-11-03. 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). |