The check trans light may light up in an Isuzu Rodeo, because there are problems with the transmission, The light will show up on the cars dashboard.
disconnect the battery
sending unit in tank
The check engine light for the 2001 Isuzu Rodeo often comes on because of a sensor that is damaged or malfunctioning. The most common sensor is an oxygen sensor and when reset, this often allows the light to be reset.
possibly a transmission code from the ecm. i would have this checked soon. transmission damage possible.
2004 3.5 Isuzu rodeo 2wd reduce power light
get a new one
A flashing check engine light means that you have a problem with your engine that may cause harm to the catalytic converter.
Have it checked for codes with a scan tool.
The oil light could be blinking in an Isuzu Rodeo because it is time to get the oil changed. This could also occur if the oil is low.
4x4 indicator light
Lots of problems could cause the light to come on. First off, check your fluid levels; second, take it to a mechanic.