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L
p0340
Moderate
Lexus · Sedans
Camshaft Position Sensor Circuit
Quick Answer
Error code P0340 on your Lexus Sedans means: Camshaft Position Sensor Circuit. This is usually fixable — see the step-by-step guide below.
Affected Models
Applies to all models
AXVA60AXVA65GSVA60AVE30GSE30GSE35GVFA20GVFA25GSC10
Likely Causes
  1. Faulty camshaft position sensor
  2. Timing belt or chain issue
  3. Wiring damage to sensor
  4. Engine oil too thick
  5. Corroded sensor connector
How to Fix It
1
Inspect camshaft position sensor
2
Check sensor wiring and connector
3
Test sensor output with oscilloscope
4
Check engine oil condition and level
5
Replace sensor if out of spec
Pro Tip
This fix requires some technical knowledge. If you're unsure about any step, consider contacting support or a qualified technician.
Parts You May Need
Camshaft position sensor
Engine oil and filter
Connector pins
Related Error Codes
P0171P0300P0420P0441P0442
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