It's confirmed that obdstar odomaster + one FCA 12+8 cable is able to do 2018 Dodge Ram mileage correction. This article is available with the procedure.
Step-by-step here:
Diag Program ->Cluster calibration -> Dodge -> Ram -> 2018-
Please connect the [OBDII-16] and [FCA 12+8] at the same time to complete the operation.
Go on following the on-screen instruction. If any question, just tap "Help" to read the tips one by one and help you where the problem is.
Tip 1: Position of SGM /SGW (Security Gateway Module)
Tip 2. Before removing the SGM /SGW (Security Gateway module), the following parts must be removed in sequence:
a. Remove the air outlet panel of the A/C;
b. Remove the radio.
