Light |
Blink Code |
Cause |
Location |
Checks |
|
3 |
Sensor BU1 |
Sensor or
sensor cable. Follow cable from port labeled with port number (YE1, BU1, ...)
to wheel end. |
Check cabling
for short or no circuit, hub for excessive runout, exciter ring for damage, and
sensor gap. |
|
4 |
Sensor YE1 |
|
5 |
Sensor BU2 |
|
6 |
Sensor YE2 |
|
7 |
External Modulator |
External modulator and/or
cable |
Check the cable for
connection and continuity. Verify valve function. |
|
9 |
Internal Modulator |
Internal Inlet Control
#2 |
Verify proper
installation. If code continues, contact Meritor WABCO for assistance. |
|
10 |
Internal Inlet Control
#1 |
|
11 |
Internal Outlet
Control |
|
14 |
Power Supply |
Power cabling and
connectors |
Verify proper electrical
installation. Check power supply. |
|
15 |
ECU Failure |
ECU Internal
Failure |
Verify proper
installation. If code continues, contact Meritor WABCO for assistance. |
|
16 |
SAE J1708 Failure |
Contact
Meritor WABCO for assistance. |
|
17 |
SAE J2497 Failure |
|
18 |
Generic IO Failure |
Cabling |
Verify proper electrical
installation. Check power supply. |