DTC U0122 Acura
Lost Communication with VSA Modulator-Control Unit
Lost Communication with VSA Modulator-Control Unit
Description
No signals from the VSA modulator-control unit via the CAN lines are received for at least 1 second. The execution time is continuous and the duration time is 1 seconds or more. NOTE: Before you troubleshoot, record all freeze data and any on-board snapshot.
Cause and Solution
Poor connections or loose terminals at the gauge control module, the VSA modulator-control unit, and the PCM
Open circuit between the PCM and the VSA modulator-control
Perform DLC circuit troubleshooting
Video Guide
Diagnostic Info
- DTC Code: U0122
- Brand: Acura