L
p0012
Moderate
Lexus · SUVs
Camshaft Position Actuator Circuit Low (Exhaust Bank 1)
Quick Answer
Error code P0012 on your Lexus SUVs means: Camshaft Position Actuator Circuit Low (Exhaust Bank 1). This is usually fixable — see the step-by-step guide below.
Affected Models
Likely Causes
  1. Low engine oil level
  2. Faulty variable valve timing solenoid
  3. Timing chain problems
  4. Camshaft position sensor malfunction
  5. Oil control valve blockage
How to Fix It
1
Change engine oil and filter
2
Inspect oil control valve for debris
3
Test VVT solenoid function
4
Check timing chain tension
5
Verify camshaft position sensor reading
Pro Tip
This fix requires some technical knowledge. If you're unsure about any step, consider contacting support or a qualified technician.
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