DI_a203 — TC Reduced By ADD

Full alert identifier: DI_a203_TCReducedByADD

Alert description

The drive interface (DI) electronic control unit (ECU) detects that active driveline damping (ADD) control is degrading and is affecting traction control (TC).

Potential impact

TC performance may be degraded.

Set condition

The DI ECU detects a condition affecting ADD, which reduces the functionality and performance of TC. Check for other DI alerts that point to the specific cause of the condition.

Clear condition

The DI ECU detects that the ADD control is performing as expected and all other traction control input signals have become available.

Signals to check

These diagnostic fields are associated with DI_a203. Check the alert's Alert Log in Service Mode Plus for available values.

Signal	Unit
Btc State `DI_a203_btcState` 0 OFF 1 ON	—
Ptc State Local `DI_a203_ptcStateLocal` 0 FAULTED 1 BACKUP 2 WHEELS REDUCED 3 ADD REDUCED 4 ON 5 STARTUP 6 SNA	—

Check other alerts

With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of DI_a203.