DI_a163 — Shift Motor Speed

Full alert identifier: DI_a163_shiftMotorSpeed

Alert description

The drive interface (DI) electronic control unit (ECU) receives a shift request from Drive to Reverse or Reverse to Drive but denies it because the vehicle speed is too high.

Potential impact

The shift request is denied.

Set condition

There is a shift request from D to R (or vice versa) while the vehicle speed is above the alert threshold.

Clear condition

The vehicle speed drops below the alert threshold.

Signals to check

These diagnostic fields are associated with DI_a163. Check the alert's Alert Log in Service Mode Plus for available values.

Signal	Unit
Current Gear `DI_a163_currentGear` 0 INVALID 1 P 2 R 3 N 4 D 7 SNA	—
Motor Speed `DI_a163_motorSpeed`	MPH
Request Source `DI_a163_requestSource`	—
Requested Gear `DI_a163_requestedGear` 0 INVALID 1 P 2 R 3 N 4 D 7 SNA	—

Check other alerts

With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of DI_a163.