Interior light.

Mike Daily · Jan 20, 2015

The drivers side interior light stays on while I am driving. All other go off when engine starts.
Has anybody had this problem?

Rick 45-70 · Jan 20, 2015

Might be a bad catalytic converter........or defective DEF injector......or bad DEF................................

t1n0m3n · Jan 27, 2015

Mike Daily said:
The drivers side interior light stays on while I am driving. All other go off when engine starts.
Has anybody had this problem?

Press the drivers side map light button?

t1n0m3n · Jan 27, 2015

Rick 45-70 said:
Might be a bad catalytic converter........or defective DEF injector......or bad DEF................................

Try changing the interior light's DEF fluid. It might have gone bad.