DTC P2099 Lexus
Loss of ATC Class 2 Communication
Loss of ATC Class 2 Communication
Description
Key on or engine running; and a module detected that it could not communicate with the ATC controller for 1 second. Modules connected to the Class 2 circuit monitor for data communications during normal vehicle operation. Operating information and command
Cause and Solution
Check for a loose connection at the ATC moduleTest the main power and ground circuits to the ATC moduleCheck the Class 2 serial data circuit to the ATC moduleATC module may have failed
Video Guide
Diagnostic Info
- DTC Code: P2099
- Brand: Lexus