Home08-113-26 · JEEP
JEEP

08-113-26

Manufacturer communications

Publication date
2026-03-17
Received by NHTSA
2026-03-25
NHTSA record numbers
11030206 · 11030231

Multiple filings of the same bulletin are grouped here; original record numbers remain available.

Manufacturer summary

Original wording in English

Flash: Global Telematics Box Module (TBM) 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):
• B22A9-96 - ECU Internal Performance-Component Internal Failure.
• B1560-11 - Cellular Antenna 1-Circuit Short To Ground.
• B1560-13 - Cellular Antenna 1-Circuit Open.
• B1561-11 - Cellular Antenna 2-Circuit Short To Ground.
• B1561-13 - Cellular Antenna 2-Circuit Open.
• B1562-14 - GPS Antenna-Circuit Short To Ground Or Open.** The customer may experience the following:
• Uconnect Box requires service message at start up on the display screen. This bulletin involves reprogramming the TBM with the latest available software.

NHTSA manufacturer communications ↗

Reported code forms

B1560B1561B1562B22A9

Manufacturer wording

Source wording can vary by vehicle and suffix. It is shown as written, not as a universal diagnosis.

Check vehicle applicability

A listed vehicle is a research lead. Confirm the engine, production range and software in the manufacturer's information.

MakeModelModel year
JeepGRAND CHEROKEE2024
JeepGRAND CHEROKEE 4XE2024
JeepGRAND CHEROKEE L2024

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