P0012 Toyota - 2003 v6 Highlander

Question

I have 2003 Limited Ed Highlander showing P0012 code. What is the repaire needed to get this cleared? Big Job? Car sounds and runs fine?

Answer 1

when was the last time you replaced your oil? the oil could be low or dirty try to check/replace that first. and clear the code drive it and see if it comes back. the other causes might have to be tested.

 

Possible causes

- Dirty or low engine oil
- Faulty variable valve timing (VVT)
- Faulty oil control valve (OCV)
- Variable Valve Timing (VVT) harness is open or shorted
- Oil Control Valve (OCV) harness circuit is open or shorted
- Damaged ECM