VIDEO

Acura DTC

Acura DTC B1012

Manufacture

Acura DTC

Code

B1012

Definition

MICU Lost Communication with Rear MICU (RJC Message)

Description

Poor Communication with Rear MICU

Cause

  • If DTC B1955 is indicated with DTC B1012 suspect Rear MICU input malfuntion.Blown No. 4 (40 A) fuse in the main under-hood fuse boxBlown No. 6 (7.5 A) fuse in the under-dash fuse relay boxRear MICU terminals are bent, loose or corrodedOpen or Short to Ground at the Rear MICUOpen or Short to Ground at the Under-dash MICUFaulty Rear MICUFaulty Under-dash MICU

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