Does a lit ABS malfunction lamp on the tractor or trailer mean the vehicle has failed its inspection and cannot be driven?

Pick an answer

1. Not by itself, since the regular service brakes still work, but the fault should still be reported and repaired promptly
2. It only matters if the lamp stays lit for more than a week
3. No, an ABS malfunction lamp can always be ignored indefinitely with no real consequence to the driver
4. Yes, any ABS fault makes the vehicle immediately unsafe to move at all

Correct!

Not quite. The correct answer is highlighted.