DTC U1133 Buick
ECM Communication Circuit
ECM Communication Circuit
Description
No CAN Signal from the ECM.
Cause and Solution
Poor contact in the ECM connector.Defective ECMDefective VDCCM
Video Guide
Diagnostic Info
- DTC Code: U1133
- Brand: Buick
ECM Communication Circuit
No CAN Signal from the ECM.
Poor contact in the ECM connector.Defective ECMDefective VDCCM