DD (new-generation Chassis Cab, 2019+; shares cab and electrical architecture with the 2019+ Ram 2500/3500 HD)

RAM 4500/5500 Chassis Cab
2019–2024

Key reference: 68374993AB

VerifiedUpdated Sep 30, 2026

Select variant

RFH (Radio Frequency Hub) / Keyless Push-Button Ignition, behind SGWAdd key · IntermediateAKL · Intermediate

Diagnostic port location (OBD)

Where to find it

Illustrative — for orientation only.

Loading remaining details…