JEEP
08-059-26
Manufacturer communications
- Publication date
- 2026-02-11
- Received by NHTSA
- 2026-02-19
- NHTSA record numbers
- 11028869
Manufacturer summary
Original wording in English
Flash: Integrated Dual Charge Module (IDCM) 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):
• B22A9-42 - ECU Internal Performance-General Memory Failure.**
• B22A9-16 - ECU Internal Performance - Circuit Voltage Below Threshold.
• B22A9-17 - ECU Internal Performance - Circuit Voltage Above Threshold.
• B22A9-19 - ECU Internal Performance - Overcurrent.
• B22A9-42 - ECU Internal Performance - General Memory Failure.
• B22A9-64 - ECU Internal Performance - Signal Plausibility Failure. Customers may also experience the following:
• The vehicle will not charge. This bulletin involves reprogramming the IDCM with the latest available software.
• B22A9-42 - ECU Internal Performance-General Memory Failure.**
• B22A9-16 - ECU Internal Performance - Circuit Voltage Below Threshold.
• B22A9-17 - ECU Internal Performance - Circuit Voltage Above Threshold.
• B22A9-19 - ECU Internal Performance - Overcurrent.
• B22A9-42 - ECU Internal Performance - General Memory Failure.
• B22A9-64 - ECU Internal Performance - Signal Plausibility Failure. Customers may also experience the following:
• The vehicle will not charge. This bulletin involves reprogramming the IDCM with the latest available software.
Reported code forms
Manufacturer wording
Source wording can vary by vehicle and suffix. It is shown as written, not as a universal diagnosis.
Jeep
B22A9-16ECU Internal Performance - Circuit Voltage Below ThresholdJeep
B22A9-17ECU Internal Performance - Circuit Voltage Above ThresholdJeep
B22A9-19ECU Internal Performance - OvercurrentJeep
B22A9-42ECU Internal Performance - General Memory FailureJeep
B22A9-42ECU Internal Performance-General Memory FailureJeep
B22A9-64ECU Internal Performance - Signal Plausibility FailureCheck 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 | GRAND CHEROKEE 4XE | 2024 |