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October 14, 2026 Service bulletin

68488364AC: fuse block underho 1)

Ram technical service bulletin 9100647 Rev 1 for 2025 Ram 1500.

Bulletin number
9100647 Rev 1
Component
Electrical system
Summary
68488364AC: FUSE BLOCK UNDERHO 1) False fails on PCR, DBSM and PDCs Stuck Closed or open diagnostics, DTC P2AF5 or P2AF6, leading to NTF and unnecessary replacements. Current controls are not robust against depleted auxiliary battery condition. Please follow SOL S2508000031. 2) A/C Blowing hot air or not working. A/C relay clutch not operating, dealers unnecessary replacing PDCs. Battery disconnection is required to reset PCM. Please follow SOL S2624000004.

Owners of these vehicles have filed 201 complaints in the electrical category.

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