Jeep Grand Cherokee 4XE 2024 — technical service bulletin
Bulletin 9100403 · NHTSA communication 11006372 · issued Aug 14, 2024
Technical service bulletin
communication type
Electrical System
component
2024
model years
1
vehicle entries
Official summary
Charger , Onboard Battery Symptom/Vehicle Issue: High Voltage (HV) Battery Will not Take a Charge, Diagnostic Trouble Code B22A9-42-ECU Internal Performance-General Memory Failure Integrated Dual Charge (IDCM) Customer Complaint /Technician Observation: The owner complains that they cannot charge the HV battery. The technician observed the IDCM is setting DTC B22A9-42-ECU Internal Performance-General Memory Failure Integrated Dual Charge (IDCM) Discussion: Engineering is aware of the concern and is currently working on a software update for the IDCM. If the vehicle has the above-described comp
Vehicles covered
What a TSB means. Technical service bulletins are repair guidance manufacturers send to dealers — they are not recalls, and repairs are not automatically free (warranty extensions are an exception worth checking). The full document is available via NHTSA’s vehicle lookup.