Incorrect Shift Points
Problem related to PCM or TCM signal inputs from TPS, speed sensors or pressure switch assembly. Faulty Digital Ratio Adapter (DRAC on 2WD only). Incorrect tire size, axle ratio or PROM.
Problem related to PCM or TCM signal inputs from TPS, speed sensors or pressure switch assembly. Faulty Digital Ratio Adapter (DRAC on 2WD only). Incorrect tire size, axle ratio or PROM.