NUMBER:
GROUP:
DATE:

18-102-20
18 - Vehicle Performance
October 24, 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) 20-077, date of issue October 24, 2020. All applicable Un-Sold RRT VINs
have been loaded. To verify this RRT service action is applicable to the Un-Sold vehicle, use
VIP or perform a VIN search in DealerCONNECT/Service Library. This RRT will expire 18
months after the date of issue.
SUBJECT:
Flash: Powertrain Diagnostic and System Updates
OVERVIEW:
This bulletin involves reprogramming the Powertrain Control Module (PCM) with the latest available
software.
MODELS:
2020

(MP)

Jeep Compass

2020

(M7)

Jeep Compass

NOTE: This bulletin applies to vehicles within the following markets/countries: EMEA and
APAC.
NOTE: This bulletin applies to vehicles built on or before June 29, 2020 (MDH 0629XX) and
equipped with 1.6L I4 B ECO Turbo Diesel Eng W/ESS (Sales Code EJJ).
SYMPTOMS/CONDITIONS:
Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further
investigation the technician may find the following Diagnostic Trouble Code (DTC) has been set:
• P24D1-00 - Particulate Matter Sensor Regeneration Incomplete (RRT VINs Only).
NOTE: This software update will help prevent P24D1-00 from setting. All unsold vehicle that
are part of the RRT must be updated. If P24D1-00 sets on a sold vehicle, this
software update with not correct this DTC. Refer to all applicable published service
bulletins for detailed repair procedures and labor times regarding this DTC
• P2002-00 - Diesel Particulate Filter Flow Resistance Monitoring Too High Level 2 Component
or System Operation Obstructed or Blocked.
Customers may also experience:
• Vehicles equipped with a 6-SPD C635 Duel Disc Clutch Transmission (DDCT (Sales Code
DA1)) may also experience an injector knocking noise during acceleration (without MIL
illumination).

18-102-20

-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 any
DTCs are present, record them 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 DTC, perform the repair.
REPAIR PROCEDURE:
NOTE: Install a battery charger to ensure battery voltage does not drop below 13.2 volts. Do
not allow the charging voltage to climb above 13.5 volts during the flash process.
NOTE: If this flash process is interrupted/aborted, the flash should be restarted.
NOTE: The Transmission Control Module (TCM) must be updated to the latest available
software at the conclusion of this repair procedure. Refer to all applicable published
service bulletins for detailed repair procedures and labor times regarding updating
the TCM software.
1. Is the vehicle on the RRT VIN list?
• YES>>> Proceed to Step 2.
• NO>>> Proceed to Step 3.
2. Does the PCM have the latest software already installed?

3.

4.
5.

6.
7.
8.

• YES>>> This bulletin has been completed, use inspect LOP (18-19-04-LL) to close the
active RRT.
• NO>>> Proceed to Step 3.
Reprogram the PCM with the latest software. Detailed instructions for flashing control modules
using the wiTECH Diagnostic Application are available by selecting the application’s “HELP”
tab.
Clear any DTCs that may have been set in all modules due to reprogramming. The wiTECH
application will automatically present all DTCs after the flash and allow them to be cleared.
Does the vehicle have a DDCT (Sales code DA1)?
• YES>>> Proceed to Step 6.
• NO>>> Proceed to Step 8.
Use wiTECH to perform a “Injector Quantity Adjustment” routine first, then “Reset Zero Fuel
Quality Calibration” otherwise perform the IMA code for all injectors rewriting procedure.
Turn off the vehicle for 5 minutes, to compete the routines.
Verify the TCM is programmed with the latest available software. Refer to all applicable
published service bulletins for detailed repair procedures and labor times regarding updating the
TCM software.

-3-

18-102-20

POLICY:
Reimbursable within the provisions of the warranty.
TIME ALLOWANCE:
Labor Operation No:

Description

18-19-04-LL

10 - Diesel Engine
Module, Powertrain Control
(PCM) - Inspect
(0 - Introduction)
10 - Diesel Engine
Module, Powertrain Control
(PCM) - Inspect and Reprogram
(0 - Introduction)
10 - Diesel Engine
Module, Powertrain Control
(PCM) - Inspect and Reprogram
(With Sales Code DA1)
(0 - Introduction)

18-19-04-LM

18-19-04-LN

Skill Category

Amount
0.2 Hrs.

0.3 Hrs.

0.5 Hrs.

NOTE: The expected completion time for the flash download portion of this procedure is
approximately 5 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
CC

Required Flash - RRT
Customer Concern