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April 27, 2026 Service bulletin

DTC C008F

Ram technical service bulletin 9100806 for 2025-2026 Ram 1500.

Bulletin number
9100806
Component
Electrical system
Summary
DTC C008F Calibration Not Learned remains active until the EPB Assembly Check is successfully completed at the vehicle assembly plant. This function is performed using the EPB Assembly Check Routine. Dealers must run the EPB Assembly Check Routine and confirm successful completion before replacing the EPB module, as module replacement should not be performed to address this condition. Note: Replacement modules leave supplier with C008F active.

Owners of these vehicles have filed 253 complaints in the electrical category.

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