ISSUE DATE:
SERVICE BULLETIN SUBJECT:
VINs or MODELS AFFECTED:
COMPLETE BY:
SERVICE BULLETIN #:
LABOR OPERATION CODE:

11/08/2023
400V E2Ver2 Body 60.10.00 Software Update
Service Specified Buses
Next Service Opportunity
SC-23-147
EN65Z

NOTICE! It is expected that this process may require up to .5 hour per bus.
Please schedule appropriately to minimize vehicle downtime.

400V E2Ver2 Body 60.10.00 Software Update
Description:
The procedure describes the process of updating the body controller to remove a 2.5 second delay to
a door open request.

1 | Page
Headquarters: 1815 Rollins Road, Burlingame, CA 94010
East Coast Manufacturing: 1 Whitlee Court, Greenville, SC 29607
West Coast Manufacturing: 383 Cheryl Lane, City of Industry, CA 91789

Tools/Parts Required:
Tools and Supplies Required:
T-30 Torx Driver
Customer Service Laptop With Proterra Diagnostic Tool
Nexiq USB Link2 Device

Kit Parts Required:
Kit PN
066090

Kit Name
SOFTWARE, BODY CONTROLLER 400V ZR32A, V60.10X00 Firmware

Software Package ZIP Link:
https://proterra.my.salesforce.com/sfc/p/50000000BNPQ/a/UV0000000i4H/x1QIxWmQtsq46GZ1PVwTkPwKcj3
EYiPYSor37toUHOo
Password: IgJGRqut

2 | Page
Headquarters: 1815 Rollins Road, Burlingame, CA 94010
East Coast Manufacturing: 1 Whitlee Court, Greenville, SC 29607
West Coast Manufacturing: 383 Cheryl Lane, City of Industry, CA 91789

Procedure:

1.

Turn ON the 12/24V rear Vehicle Master Disconnect located behind the vehicle curbside rear
charge port access panel.

2.

Turn ON the bus Master Run Switch at the Driver's Workplace and ensure the Dash screen is
ON to display “KEY ON”.
a. This places the vehicle into Key On / Low Voltage state for controller versions to be
checked prior to software flash.

3.

Using a T30 Torx screwdriver or appropriate tools, remove the two access covers.
a. Street side wheel well electronics cabinet (ECAB) panel for access to the OBDII Port

b. Rear deck access panel for OBDII Diagnostic port (NOTE: on E2-35 foot buses this is
located behind the rear barn doors on the left hand side).
4.

Power up (boot) the Proterra-supplied laptop containing the Proterra Diagnostic Tool.

5.

Connect the Nexiq USB Link2 device to the laptop and to the appropriate OBDII Diagnostic
Port.

3 | Page
Headquarters: 1815 Rollins Road, Burlingame, CA 94010
East Coast Manufacturing: 1 Whitlee Court, Greenville, SC 29607
West Coast Manufacturing: 383 Cheryl Lane, City of Industry, CA 91789

6.

For example, here is the Nexiq USB Link connected to the Diagnostic Port located on the
street side wheel well electronics cabinet (eCab).

7.

On the laptop, double-click on the Proterra Diagnostics Tool software icon to start the
software.

8.

When the program opens, read and click OK for the prompt.

9.

On the Home tab, select the appropriate device from the drop down and click “Connect”.

10.

Once the diagnostic tool has connected to the vehicle, you will have a VIN number and
connection status displaye d on the home screen, and tabs available to navigate.

4 | Page
Headquarters: 1815 Rollins Road, Burlingame, CA 94010
East Coast Manufacturing: 1 Whitlee Court, Greenville, SC 29607
West Coast Manufacturing: 383 Cheryl Lane, City of Industry, CA 91789

Update Body Controller Software
This procedure updates the Body Controller software version and maintains the body controller
parameter configuration data across the flash download of new software.

11.

Ensure you have the latest software file “CatalystBody_60_10x00_Arena066090” in a known
location on the service technician’s computer (Folder or Desktop).
IMPORTANT! NEVER access the software from a remote server or from a USB memory
device, ALWAYS copy the software files to your computer hard drive and access the software
from this location.

12.

Turn ON the 12/24V rear Vehicle Master Disconnect located behind the vehicle curbside rear
upper access panel

13.

Turn OFF the bus Master Switch at the Driver's Workplace and ensure the Dash screen is
OFF.

14.

Turn ON the bus “programming switch” inside the street side wheel well box.

15.

After connecting to the vehicle using the Proterra Diagnostic tool at the front OBDII Port
(SSWW Ecab), navigate to the Configuration Tab.

5 | Page
Headquarters: 1815 Rollins Road, Burlingame, CA 94010
East Coast Manufacturing: 1 Whitlee Court, Greenville, SC 29607
West Coast Manufacturing: 383 Cheryl Lane, City of Industry, CA 91789

16.

17.

Wait at least 10 seconds after starting the tool, then click the “Get Parameters” button at the
top of the page.
a. NOTE: This ensures that we have a backup copy of the original configuration
parameters stored in a “zip” file, contained in the C:/Logs folder on your computer in
case you have to refer to it later.

Now we are ready to click the Body Firmware “Start Flash” Button.

Beside Body
Firmware, Click Start
Flash

18.

The following screen will be displayed. Navigate to the location where you stored the
configuration file earlier. Select the software file downloaded previously and click “Open” to
load the file.
Note: The file name displayed should be “CatalystBody_60_10x00_Arena066090”.

6 | Page
Headquarters: 1815 Rollins Road, Burlingame, CA 94010
East Coast Manufacturing: 1 Whitlee Court, Greenville, SC 29607
West Coast Manufacturing: 383 Cheryl Lane, City of Industry, CA 91789

19.

The Proterra Diagnostic Tool will connect to the device, and the following screens are
displayed.

7 | Page
Headquarters: 1815 Rollins Road, Burlingame, CA 94010
East Coast Manufacturing: 1 Whitlee Court, Greenville, SC 29607
West Coast Manufacturing: 383 Cheryl Lane, City of Industry, CA 91789

20.

The software update will take several minutes to complete. When the update is complete the
following screen will be displayed. Click the “Finish” button to complete the update process.

21.

Turn off the vehicle at the rear master switch.

8 | Page
Headquarters: 1815 Rollins Road, Burlingame, CA 94010
East Coast Manufacturing: 1 Whitlee Court, Greenville, SC 29607
West Coast Manufacturing: 383 Cheryl Lane, City of Industry, CA 91789