Cool Freightliner Custom Chassis Check Engine Light 2023. Trailer abs indicator (not used) I had a light and called and it was a nox sensor.
45,000 mile or 36 month maintenance: Web for 6.6 l gasoline engines, change the engine oil and filter every 7500 miles (12 068 km); Web fljoe, if you call freightliner they will walk you through pulling up the code due to the check engine light.
