NUMBER:
GROUP:
DATE:

08-089-20
08 - Electrical
October 1, 2020

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) 20-068, date of issue October 01, 2020. 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: Hybrid Control Processor (HCP) and Auxiliary Hybrid Control Processor (AHCP) Updates
OVERVIEW:
This bulletin involves reprogramming the HCP and AHCP or also known as Power Inverter Module
(PIM) with the latest available software.
MODELS:
2020

(RU)

Chrysler Pacifica (PHEV)

NOTE: This bulletin applies to vehicles within the following markets/countries: North
America.
NOTE: This bulletin applies to vehicles built on or before August 19, 2020 (MDH 0819XX)
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.
This software release includes the following software enhancement:
• Corrections to allow the vehicle to clear the permanent fault codes.
NOTE: Three modules are required to be flashed for this update to be effective, the following
modules are all to be updated along with this HCP and AHCP update:
• Electronic Brake Booster Module (EBBM)
• Powertrain Control Module (PCM)
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.

08-089-20

-2-

REPAIR PROCEDURE:
NOTE: The Electronic Brake Booster Module (EBBM) and Powertrain Control Module (PCM)
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 EBBM and PCM software.
WARNING! Failure to update all modules following an HCP and AHCP 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 HCP and AHCP have the latest software already installed?
• YES>>> This bulletin has been completed, use inspect LOP (18-19-86-9J) to close the active
RRT.
• NO>>> Proceed to Step 2.
2. Reprogram the HCP and AHCP 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. 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.
4. Verify the EBBM 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 EBBM and PCM software.
POLICY:
Reimbursable within the provisions of the warranty.
TIME ALLOWANCE:
Labor Operation No:
18-19-86-9J

Description
Hybrid Control Processor
(HCP) and Auxiliary
Hybrid Control Processor
(AHCP) - Inspect
(0 - Introduction)

Skill Category
1- Engine Repair and Performance

Amount
0.2 Hrs.

18-19-86-9H

Processor, Hybrid Control 1 - Engine Repair and Per- 0.6 Hrs.
formance
(HCP/AHCP) - Inspect
and Reprogram
(0 - Introduction)

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.

-3-

08-089-20

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