Fault Codes And Their Meaning - WABCO ABS/EBS CODE READER User Manual

Fault codes and their meaning

9 Fault codes and their meaning
On the pages below you will fi nd explanations of the system messages displayed on your device. Please note that the
meanings of the stored messages may vary depending on the braking system and generation.
Towing vehicle and bus ABS
SPN
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
18
19
20
21
22
23
55
79
81
88
89
94
102
151
231
248
249
251
253
254
Aff ected component
Wheel sensor front axle left (A1L)
Wheel sensor front axle right (A1R)
Wheel sensor drive axle left (A2L)
Wheel sensor drive axle right (A2R)
Wheel sensor additional axle left (A3L)
Wheel sensor additional axle right (A3R)
Pressure modulator front axle left (A1L)
Pressure modulator front axle right (A1R)
Pressure modulator drive axle left (A2L)
Pressure modulator drive axle right (A2R)
Pressure modulator additional axle left (A3L)
Pressure modulator additional axle right (A3R)
Relay, endurance brake deactivation
Power supply axles 1+2 or supply for diff . valve or ground 2
Power supply axle 3,or ground line diff . valve, or AUX
Pressure sensor
3/2 solenoid valve rear axle(s)
Diff erential lock or 3/2 solenoid valve front axle(s) or power supply for ESC module
Prop. valve or centre diff erential lock
Electric engine interface
Speed signal input
ABS warning lamp or warning lamp relay
Brake light switch 1 (SPN: 1045 - Brake Light Switch 1)
Tire pressure monitoring
Trailer warning lamp
VDC, ESC data connection / ESC module
Data connection SAS (steering-wheel angle sensor)
Hill Start Aid system
Status diff erential lock (transfer box)
Status diff erential lock (transfer box diff erential lock)
SAE J1939 vehicle CAN data connection
SAE J1939 port
SAE J1922 port
Supply voltage
Calibration memory / parameter setting
ECU / System component
EN
17