ANTI-LOCK Indicator

IPC illuminates ANTI-LOCK indicator when one of the following occurs:

• Electronic Brake Control Module (EBCM) detects a malfunction with anti-lock brake system. IPC receives a class 2 message from EBCM requesting illumination.
• IPC performs displays test at start of each ignition cycle. Indicator illuminates for about 3 seconds.
• IPC detects a loss of class 2 communications with EBCM.