Code Displayed | Location | Type of Fault |
1st Digit | 2nd Digit |
1 | 1 | | No fault |
2 | 1 | Wheel speed sensor, front axle, left | Large air gap |
2 | 2 | Missing sensor signal at drive off |
2 | 3 | Damaged/contaminated tooth on exciter ring, long term ABS control |
2 | 4 | Long term instability |
2 | 5 | Loss of speed sensor signal |
2 | 6 | Shorted low/high or broken wire or two sensors shorted |
3 | 1 | Wheel speed sensor, front axle, right | Large air gap |
3 | 2 | Missing sensor signal at drive off |
3 | 3 | Damaged/contaminated tooth on exciter ring, long term ABS control |
3 | 4 | Long term instability |
3 | 5 | Loss of speed sensor signal |
3 | 6 | Shorted low/high or broken wire or two sensors shorted |
4 | 1 | Wheel speed sensor, rear axle, left | Large air gap |
4 | 2 | Missing sensor signal at drive off |
4 | 3 | Damaged/contaminated tooth on exciter ring, long term ABS control |
4 | 4 | Long term instability |
4 | 5 | Loss of speed sensor signal |
4 | 6 | Shorted low/high or broken wire or two sensors shorted |
5 | 1 | Wheel speed sensor, rear axle, right | Large air gap |
5 | 2 | Missing sensor signal at drive off |
5 | 3 | Damaged/contaminated tooth on exciter ring, long term ABS control |
5 | 4 | Long term instability |
5 | 5 | Loss of speed sensor signal |
5 | 6 | Shorted low/high or broken wire or two sensors shorted |
8 | 1 | Pressure modulator valve, front axle, left | Release solenoid shorted-high |
8 | 2 | Release solenoid shorted low |
8 | 3 | Release solenoid broken wire |
8 | 4 | Valve ground broken wire |
8 | 5 | Hold solenoid shorted high |
8 | 6 | Hold solenoid shorted low |
8 | 7 | Hold solenoid broken wire |
8 | 8 | Valve configuration error |
9 | 1 | Pressure modulator valve, front axle, right | Release solenoid shorted-high |
9 | 2 | Release solenoid shorted low |
9 | 3 | Release solenoid broken wire |
9 | 4 | Valve ground broken wire |
9 | 5 | Hold solenoid shorted high |
9 | 6 | Hold solenoid shorted low |
9 | 7 | Hold solenoid broken wire |
9 | 8 | Valve configuration error |
10 | 1 | Pressure modulator valve, rear axle, left | Release solenoid shorted-high |
10 | 2 | Release solenoid shorted low |
10 | 3 | Release solenoid broken wire |
10 | 4 | Valve ground broken wire |
10 | 5 | Hold solenoid shorted high |
10 | 6 | Hold solenoid shorted low |
10 | 7 | Hold solenoid broken wire |
10 | 8 | Valve configuration error |
10 | 10 | Pressure modulator valve, valve ground | Valve ground shorted-high |
10 | 11 | Valve ground shorted-low or internal defect |
11 | 1 | Pressure modulator valve, rear axle, right | Release solenoid shorted-high |
11 | 2 | Release solenoid shorted low |
11 | 3 | Release solenoid broken wire |
11 | 4 | Valve ground broken wire |
11 | 5 | Hold solenoid shorted high |
11 | 6 | Hold solenoid shorted low |
11 | 7 | Hold solenoid broken wire |
11 | 8 | Valve configuration error |
15 | 1 | ECU internal failures | Internal |
15 | 2 | Internal |
15 | 3 | EEPROM data error |
15 | 4 | Internal |
15 | 5 | Internal |
15 | 6 | Internal |
15 | 7 | Internal |
15 | 9 | Invalid configuration in EEPROM |
15 | 10 | Internal |
15 | 11 | Internal |
16 | 1 | Power supply | U-bat temporary over voltage |
16 | 2 | U-bat temporary low voltage |
16 | 2 | U-bat temporary low voltage during ABS control |
16 | 3 | U-bat broken wire |
16 | 9 | U-ign temporary over voltage |
16 | 10 | U-ign temporary low voltage |
16 | 11 | U-ign low voltage during ABS control |
17 | 1 | Retarder relay | Shorted high |
17 | 2 | Shorted low or broken wire |
17 | 3 | J1939 CAN datalink | Bus-off detected |
17 | 4 | Timeout or invalid data range on ERC1 |
17 | 5 | Tyre size alignment | Front to rear out of range |
17 | 10 | Warning lamp | GND-WL shorted high or broken wire or WL shorted low or broken wire |
17 | 12 | Wheel speed sensors | Wheel speed sensor failure in previous 'power on' cycle |
17 | 13 | Wheel speed sensor on front axle or rear axle mixed up |
17 | 14 | Electronic brakeforce distribution (EBD) | Stop light switch defective |
17 | 15 | AoH booster | Booster switch defective |
17 | 16 | Booster defective |