DTC B1178 Acura
F-CAN Communication Line Error
F-CAN Communication Line Error
Description
Poor communication on the (F-Can) Fast controller Area Network line.
Cause and Solution
Check for Fuel and Emissions Systems DTCs first, then retest
Loose or poor connection between the Gauge Control Module and the PCM
Open or Short between Gauge Control Module and the PCM
Update the PCM if it does not have the latest software
Faulty Gauge Control Module
Video Guide
Diagnostic Info
- DTC Code: B1178
- Brand: Acura