Have vehicle scanned and codes cleared - usually a problem in the emission control system
Toyota engine code 402
My rpm light came on but not my check engine light so what does that mean when the rpm light is on
get your engin checked get your engin checked battery disconect for 3 min or take to auto parts and they can do it
same problem.
Have vehicle scanned to determine the problem
After repairing the cause of the code, you clear the code with a scan tool.
Check for a blown brake light fuse. Check for a broken or out of adjustment brake light switch.
Battery disconnect or a scan tool.
If you fix the reason the light came on in the first place the check engine light will reset itself after a few drive cycles.
After checking the code, and repairing the cause, you clear the code with a scan tool.
Evap Emmissions system has small leak PO442
You may need to replace the power control module.