C0291 - Lost Communications With BCM

Repair Importance Level: 3/3
Repair Difficulty Level: 3/3   
Comments  |  Add Comment

Possible causes

  • Faulty Electronic Brake Control Module (EBCM)
  • Electronic Brake Control Module (EBCM) harness is open or shorted
  • Electronic Brake Control Module (EBCM) circuit poor electrical connection

Possible symptoms

  • Anti-Lock Brake System (ABS) Warning Light ON
  • Engine Light ON (or Service Engine Soon Warning Light)

C0291 Description

The Body Control Module (BCM) sends a state of health serial data message to the Electronic Brake Control Module (EBCM) within 5.5 seconds after the ignition is turned ON. The EBCM fails to receive serial data from the BCM.
OBDII Code C0291 - Lost Communications With BCM - AutoCodes.com

C0291 Information for specific makes

Need more help?

Get the C0291 code diagnosed by a professional: Find a repair shop in your area

Related Information

C0291 Comments

Help us improve AutoCodes.com. Leave a comment below or tell us if the information above help you fix the code. What are the symptoms on your vehicle for the C0291 code? Have you replaced any parts?
Any information is appreciated. Thanks
Top ⇧