NUMBER:
GROUP:
DATE:

08-008-21
08 - Electrical
January 16, 2021

This bulletin is supplied as technical information only and is not an authorization for repair. No part of this publication may be reproduced, stored in a retrieval system, or
transmitted, in any form or by any means, electronic, mechanical, photocopying, or otherwise, without written permission of FCA US LLC.

This Technical Service Bulletin (TSB) has also been released as a Rapid Response
Transmittal (RRT) 21-011, date of issue January 16, 2021. All applicable Sold and Un-Sold
RRT VINs have been loaded. To verify this RRT service action is applicable to the
vehicle, use VIP or perform a VIN search in DealerCONNECT/Service Library. All repairs are
reimbursable within the provisions of warranty. This RRT will expire 18 months after the date
of issue.
SUBJECT:
Flash: Electronic Brake Booster Module (EBBM) Updates
OVERVIEW:
This bulletin involves reprogramming the EBBM with the latest available software.
MODELS:
2018

(RU)

Chrysler Pacifica (PHEV)

NOTE: This bulletin applies to vehicles within the following markets/countries: North
America and APAC (China).
NOTE: This bulletin applies to vehicles equipped with a 3.6L V6 PHEV Hybrid Engine (Sales
Code EH3).
SYMPTOM/CONDITION:
Technicians and/or customers may report the vehicle will not pass a state smog check due to
permanent fault codes which will not clear. As a result, the vehicles are not eligible to be registered
in certain states.
Customers may also experience a Malfunction Indicator Lamp (MIL) illumination. Upon further
investigation, the technician may find the following Diagnostic Trouble Code (DTC) has been set:
• B22A9-00 - ECU Internal Performance.
This software release includes the following software enhancement:
• Corrections to allow the vehicle to clear the permanent fault codes.
NOTE: Four modules are required to be flashed for this update to be effective, the following
modules are all to be updated along with this EBBM update:
• Powertrain Control Module (PCM)
• Hybrid Control Processor (HCP) and Auxiliary Hybrid Control Processor (AHCP) or also
known as Power Inverter Module (PIM).
• Anti-Lock Brake System Module (ABS).

08-008-21

-2-

DIAGNOSIS:
Using a Scan Tool (wiTECH) with the appropriate Diagnostic Procedures available in
DealerCONNECT/Service Library, verify all related systems are functioning as designed. If DTCs or
symptom conditions, other than the ones listed above are present, record the issues on the repair
order and repair as necessary before proceeding further with this bulletin.
If a customer’s VIN is listed in VIP or your RRT VIN list, perform the repair. If any vehicle not on the
VIN list exhibits the symptom/condition or finds permanent fault codes stored, perform the repair.
REPAIR PROCEDURE:
NOTE: The Powertrain Control Module (PCM), Hybrid Control Processor (HCP), Auxiliary
Hybrid Control Processor (AHCP) and Anti-Lock Brake System Module (ABS) must be
updated to the latest available software at the conclusion of this repair procedure.
Refer to all applicable published technical service bulletins for detailed repair
procedures and labor times regarding updating the HCP, AHCP, ABS and PCM
software.
WARNING! Failure to update all modules following an EBBM software update may result in
vehicle malfunctions.
NOTE: Install a battery charger to maintain a 12 volt system voltage.
NOTE: If this flash process is interrupted/aborted, the flash should be restarted.
1. Does the EBBM control module have the latest software already installed?
• YES>>> This bulletin has been completed, use inspect LOP (18-19-77-96) to close the
active RRT.
• NO>>> Proceed to Step 2.
2. Reprogram the EBBM with the latest software. Detailed instructions for flashing control modules
using the wiTECH Diagnostic Application are available by selecting the application’s “HELP”
tab.
3. Key off the vehicle and allow the modules to go to full sleep at least 5 minutes.
4. Clear any DTCs that may have been set in any modules due to reprogramming. The wiTECH
application will automatically present all DTCs after the flash and allow them to be cleared.
5. Verify the HCP, AHCP, ABS and PCM are also programmed with the latest available software.
Refer to all applicable published service bulletins for detailed repair procedures and labor times
regarding updating the HCP, AHCP, ABS and PCM software.
POLICY:
Reimbursable within the provisions of the warranty.
TIME ALLOWANCE:
Labor Operation No:
18-19-77-96

Description
Skill Category
Module, Electronic Brake 1- Engine Repair and PerBooster (EBBM) - Inspect formance
(0 - Introduction)

Amount
0.2 Hrs.

18-19-77-97

Module, Electronic Brake 1 - Engine Repair and Per- 0.2 Hrs.
Booster (EBBM) - Inspect formance
and Reprogram
(0 - Introduction)

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08-008-21

NOTE: The expected completion time for the flash download portion of this procedure is
approximately 2 minutes. Actual flash download times may be affected by vehicle
connection and network capabilities.
FAILURE CODE:
The dealer must choose which failure code to use depending on if this is a Rapid Response
Transmittal (RRT) or Service Bulletin.
• The “RF” failure code is required for essential module flash/reprogramming and can only be
used after confirmation that the VIN is included on the RRT.
• The failure code “RF” (Required Flash) can no longer be used on Service Bulletin flashes. The
“RF” failure code must be used on an RRT.
• If the customer’s concern matches the SYMPTOM/CONDITION identified in the Service
Bulletin, failure code CC is to be used. When utilizing this failure code, the 3C’s must be
supplied.
RF

Required Flash - RRT

CC

Customer Concern