JEEP

08-262-26

Manufacturer communications

Publication date: 2026-07-03
Received by NHTSA: 2026-07-08
NHTSA record numbers: 11034900

Manufacturer summary

Original wording in English

Flash: Integrated Dual Charging Module (IDCM) Updates Customers must experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation SYMPTOM: the technician may find one or more of the following Diagnostic Trouble Code (DTC) have been set:
• B22A9-87 - ECU Internal Performance - Missing Message.
• P0D21-00 - Battery Charger "A" Output Voltage Too Low. Customer may also experience the following:
• Vehicle will not charge. This bulletin involves reprogramming the IDCM with the latest software available.

NHTSA manufacturer communications ↗

Reported code forms

B22A9 P0D21

Manufacturer wording

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

JeepB22A9-87

ECU Internal Performance - Missing Message

NHTSA 11034897 · NHTSA 11034898 · NHTSA 11034900

JeepP0D21-00

Battery Charger "A" Output Voltage Too Low

NHTSA 11034890 · NHTSA 11034891 · NHTSA 11034892

Check vehicle applicability

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

Make	Model	Model year
Jeep	WRANGLER 4XE	2023

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