What The Symptom May Mean
ABS Light indicates the anti-lock braking system has detected a condition that needs attention. It can be related to multiple systems, so avoid assuming one failed part before diagnosis.
Fault Code Information To Record
Record SPN/FMI, OEM code if shown, active or inactive status, source address, warning lamps, derate state, mileage, engine hours, and related symptoms.
Common Related Systems
Related systems may include engine control, aftertreatment, ABS, transmission, J1939 data link, sensors, wiring, power, and grounds depending on the warning.
When To Stop Safely
Stop safely for red stop lamps, brake warnings, oil pressure warnings, coolant temperature warnings, steering concerns, smoke/fire risk, or severe derate.
When To Contact A Technician
Contact a qualified technician or fleet maintenance contact when the code is active, warning lamps remain on, the truck derates, or the system is safety-related.
Related Pages
Related Fault Code Pages
- Bendix EC-60 UDS 1 / SPN 793 FMI 2
- Bendix EC-60 UDS 3 / SPN 793 FMI 13
- Bendix EC-60 UDS 4 / SPN 629 FMI 12
- Bendix EC-60 UDS 5 / SPN 793 FMI 7
- Bendix EC-60 UDS 6 / SPN 629 FMI 12
- Bendix EC-60 UDS 7 / SPN 793 FMI 1
- Bendix EC-60 UDS 8 / SPN 793 FMI 14
- Bendix EC-60 UDS 9 / SPN 793 FMI 8
- Bendix EC-60 UDS 10 / SPN 793 FMI 10
- Bendix EC-60 UDS 13 / SPN 629 FMI 2
- Bendix EC-60 UDS 14 / SPN 629 FMI 12
- Bendix EC-60 UDS 15 / SPN 1808 FMI 2
- Bendix EC-60 UDS 16 / SPN 629 FMI 12
- Bendix EC-60 UDS 17 / SPN 629 FMI 12
- Bendix EC-60 UDS 18 / SPN 629 FMI 2
- Bendix EC-60 UDS 19 / SPN 629 FMI 2
- Bendix EC-60 UDS 20 / SPN 629 FMI 12
- Bendix EC-60 UDS 21 / SPN 629 FMI 2
- Bendix EC-60 UDS 22 / SPN 630 FMI 13
- Bendix EC-60 UDS 23 / SPN 630 FMI 13
Sources
- SAE J1939 Standards Collection SAE International · official · accessed 2026-05-05 · confidence medium
Source: SAE International, SAE J1939 Standards Collection. This page paraphrases factual fields only and is not a substitute for the original document.
Open source
FAQ
Does ABS Light tell me the exact repair?
No. It is a symptom or warning. Use the full fault code set and OEM diagnostic information for diagnosis.
What should I do first when ABS Light appears?
Record the warning, full codes, active status, related lamps, and operating conditions before clearing anything.
Can ABS Light be safety-related?
Yes, especially brake, stop engine, oil pressure, coolant temperature, severe derate, or red warning conditions. Stop safely and follow OEM guidance.