NHTSA ID Number: 11028870
Manufacturer Communication Number: 08-060-26
TSB/Document Date: 2026-02-19
Summary
Flash: Telematics Box Module Updates Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must SYMPTOM: exhibit/set one or more of the following Diagnostic Trouble Codes (DTCs): ● B1560 - 11 Cellular Antenna 1 - short to ground. ● B1561 - 11 Cellular Antenna 2 - short to ground. ● B1562 - 14 GPS Antenna short to ground or open. ● B22A9 - 96 ECU internal performance-component internal failure. Customers may also experience the following: ● "Uconnect Box Required Service" Message in Radio Display. This bulletin involves reprogramming the TBM with the latest available software.
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TSB/Document ID: 08-060-26
Replacement Service Bulletin Number:
MFR Communication Date: 2026-02-12
MFR Internal Campaign ID/Software Version:
Communication Type: Service Bulletin/Repair Instructions
NHTSA Components: ELECTRICAL SYSTEM
MFR Component System:
MFR Component Subsystem:
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Technical Service Bulletin (TSB)
Flash: Telematics Box Module Updates
REFERENCE:
TSB: 08-060-26
GROUP: 08 - Electrical
Date:
February 12, 2026
VEHICLES
AFFECTED:
2025 (DJ) RAM 2500 Pickup
2025 (DD) RAM 3500 Cab Chassis
2025 (D2) RAM 3500 Pickup
2025 (DP) RAM 4500/5500 Cab Chassis
This bulletin applies to vehicles equipped with Global Telematics Box
Module (Sales Code RDG).
REVISION: –
MARKET APPLICABILITY:
NA
MEA
SA
IAP
EE
CH
NOTE: This bulletin applies
to the North America
market.
CUSTOMER
SYMPTOM:
Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must
exhibit/set one or more of the following Diagnostic Trouble Codes (DTCs):
● B1560 - 11 Cellular Antenna 1 - short to ground.
● B1561 - 11 Cellular Antenna 2 - short to ground.
● B1562 - 14 GPS Antenna short to ground or open.
● B22A9 - 96 ECU internal performance-component internal failure.
Customers may also experience the following:
● "Uconnect Box Required Service" Message in Radio Display.
CAUSE:
TBM software
REPAIR SUMMARY:
This bulletin involves reprogramming the TBM with the latest available software.
CLAIMS DATA:
Labor Operation No:
18-20-37-9J
Failure Code
Labor Description
Module, Global
Telematics Box (TBM) Reprogram
(0 - Introduction)
CC
Skill Category
6 - Electrical and Body
Systems
Labor Time
2.0 Hrs.
Customer Concern
The dealer must use failure code CC with this Technical Service Bulletin.
● If the customer’s concern matches the SYMPTOM identified in the Technical Service Bulletin, failure code
CC is to be used.
● When utilizing this failure code, the 3C’s (customer’s concern, cause and correction) must be provided for
processing Technical Service Bulletin flash/reprogramming conditions.
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 the customer describes any of the symptoms listed above in the customer symptom section, perform the
Repair Procedure.
SPECIAL TOOLS/EQUIPMENT:
Description
wiTECH or Equivalent
Ref. No.
–
Notes
–
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.
1. Reprogram the TBM with the latest software. If issues arise when flashing a module using the wiTECH
Diagnostic Application, please submit a ticket to the Helpdesk. The helpdesk can be found within the Help
menu.
2. Clear all DTCs that may have been set in any module due to reprogramming. The wiTECH application will
automatically present all DTCs after the flash and allow them to be cleared.
POLICY:
Reimbursable within the provisions of the warranty.
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.
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