DTC P046C Chevrolet
No Communication With Vehicle Interface Unit
No Communication With Vehicle Interface Unit
Description
VIU Class 2 circuit is open, shorted to ground or to B+VIU ignition power circuit has a high resistance conditionVIU main ground circuit(s) has a high resistance conditionVIU (module) may have failed and is pulling the circuit low
Video Guide
Diagnostic Info
- DTC Code: P046C
- Brand: Chevrolet