B1178

Factory Manual References

Factory service manual diagnostic procedure for 2009 acura rdx

A L L Diagnostic Trouble Codes ( DTC )

B1178




DTC Troubleshooting: B1178

DTC B1178: F-CAN Communication Line Error

NOTE: If you are troubleshooting multiple DTCs, be sure to follow the instructions in B-CAN System Diagnosis Test Mode A. Troubleshooting - B-CAN System Diagnosis Test Mode A

1. Clear the DTCs with the HDS.

2. Turn the ignition switch to LOCK (0), and then back to ON (II).

3. Check for DTCs with the HDS.

Are DTCs B1168, B1169, B1170, B1173, and B1178 indicated?
YES - Troubleshoot the indicated DTCs.

NO - Intermittent failure, the F-CAN communication line is OK at this time. Check the F-CAN communication line for a short to ground.


Supporting Diagrams & Locations

Reference material from the factory manual for this diagnostic procedure.

Diagram

A/C Leak Detection (B07-025)

Diagram

Connector End Views

Diagram

Air Conditioning

Diagram

Anti-Lock Brakes

Diagram

Anti-Theft

Diagram

Body Control Modules

Location

CHRYSLER Group LLC

Location

CHRYSLER Group LLC

Location

ACURA

Location

AUDI

Fuse/Relay

CHRYSLER Group LLC

Fuse/Relay

AUDI

Fuse/Relay

BMW

Fuse/Relay

CHRYSLER Group LLC

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