V0123092071325_2 Service Bulletin/Repair Instructions

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Transaction No.:
Technical Service Bulletin
2071325/2
01-23-09 - Update Programming, DTC P054A stored in Engine/Motor Control

Module -J623-
Condition

Applicable Vehicles

Model(s)
Year
Eng. Code
Trans. Code
VIN Range

From
VIN Range To
Atlas
2018-2023
3.6L
All
All
All
All
All
All
(CDVC)

Atlas Cross

Sport
2020-2023
3.6L

(CDVC)
Revision Table

Instance Number
Published Date
Version Number
Reason For Update
2071325/2
12/4/2025
01-23-09
To update vender code.
2071325/1
10/18/2023
01-23-09
Original publication.
Vehicles must have one of the following complaints:

•
Customer states vehicle requires a manual restart after coming to a stop.
•
Customer states MIL on with fault P054A stored in the ECM.
One or more of the following fault codes may be stored in the Engine Control Module (ECM) Fault Memory:
DTC
Description
P054A Cold Start "B" Camshaft Position Timing Over-Advanced

Note:

DO NOT diagnose or replace components related to the above complaints before performing the update

function as explained in this bulletin.
Technical Background
Updated programming of the Engine Control Module (ECM) software is based on most recent engineering

solutions.
Production Solution

No production solution available as the 3.6L is out of production.
Service

Update-Programming Procedure:

Critical Warning: : The Midtronics battery charger must be connected to the vehicle battery for the duration of

the programming, to ensure the battery state of charge remains above 12.5 volts during the update

process. If the battery drops below 12.5 volts, the programming could fail which may result in damage to the

control module. Control modules damaged by inadequate voltage will not be covered under the warranty

policy.The technician should verify the vehicle voltage prior to starting the update process, and should

monitor the voltage for the duration of the update.

The procedure may cancel itself if the hazard warning lights are not switched ON. The hazard warning lights

prevent the system from switching to bus sleep mode during the update.

ODIS-Service tester should be updated to the latest GFF technical version 11.0.0 or higher and SW version

2.47.0 or higher.

If software updates or flash campaign/actions are performed on a vehicle, a charger with at least 70A

charging current MUST be used in order to avoid problems during software updates and flash campaign

/actions.
WARNING:

Radiator Fan(s) may cycle ON high speed during the Update Process! There is a risk that personal injury

may result if contact is made with spinning fan blades.

Keep hands and all objects away from Radiator Fan(s) during Update Process!
Note:

Prior to launching the ODIS Service diagnostic applications and starting control module update process,

confirm tester screen saver and power settings in accordance with Diagnostic Device Hardware &

Windows® - VHW-20-02 Change Power Options After Windows®10 Upgrade. Failure to do so may result in

the tester entering power save mode during data transfer, and subsequent control module failure. When

using a VAS 6150/X or 6160/X tester in conjunction with a VAS 6154 wireless transmitter head for a flash

procedure, connect a USB cable between the transmitter head and the tester. Failure to do so may lead to

errors during the flash procedure.

VAS tools must only be used with their power adapters plugged in. Under no circumstances should they be

used on battery power alone during the programming procedure.

Tip:

To Update-Programming using Software Version Management (SVM), review and follow instructions in

Technical Bulletin Instance 2014603 “Software Version Management”.
The SVM process must be completed in its entirety so the database receives the update confirmation

response. A warranty claim may not be reimbursed if there is no confirmation response to support the claim

or action is carried out that is not explicitly stated in the Technical Bulletin.
•
Update the Engine/Motor Control Module -J623- using the SVM Unit code as listed in the table below:
Model
Engine
Old Software Part

No.
Old Software

Version
New Software Part

No.
New Software

Version (or

higher)
SVM

Unit

Code
Atlas
3.6L
03H906026E
4744
03H906026E
9973
4CC1
03H906026F
9973
4CC1
03H906026J
9973
4CC1
03H906026R
9973
4CC1
03H906026S
9973
4CC1
(CDVC)
6024

6695

9970

9971

9972
Atlas
3.6L
03H906026F
(CDVC)
4745

6025

6696

9970

9971

9972
Atlas
3.6L
03H906026J
(CDVC)
4748

6026

6697

9970

9971

9972
Atlas
3.6L
03H906026R
(CDVC)
6692

9970

9971

9972
Atlas
3.6L

(CDVC)
03H906026S
6693

9970
9971

9972

Atlas
3.6L
03H906026AA
(CDVC)
6694
03H906026AA
9973
4CC1
03H906026AH
9976
4CC1
03H906026AG
9976
4CC1
03H906026AF
9976
4CC1
03H906026AJ
3172
4CC1
03H906026AT
3171
4CC1
9970

9971

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