Lexus P1406: Turbo Pressure Sensor Circuit Malfunction
Is your scanner showing Lexus P1406?
No worries. We'll show you what it means and how to deal with it.
Lexus P1406: Turbo Pressure Sensor Circuit Malfunction
OVERVIEWWhat Does The Lexus P1406 Code Mean?
Engine started, engine running, MAF sensor more than 1.3 g/sec, and the PCM detected the Turbo Pressure sensor signal was less than 1.2v; or with the MAF sensor less than 0.45 g/sec, the Turbo Pressure sensor indicated more than 4.2v during the CCM test.
What Are The Potential Causes Of The Lexus P1406 Code?
- Boost Pressure sensor signal circuit open or shorted to ground
- Boost Pressure sensor power or ground circuit is open
- Boost Pressure sensor is damaged or has failed
- PCM has failed
Recommended Parts
Below are some recommended auto parts to help you address the trouble code affecting your vehicle and get it running smoothly again:
>>> WORKPRO 582-piece Crimp Terminals, Wire Connectors, Heat Shrink Tube, Electrical Repair Kit
>>> Twippo 372Pcs Waterproof Wire Connectors Kit
>>> Engine Control Computer
>>> Turbocharger Boost Sensor Fits GS 200t, IS 200t, IS 300, LS 500, LX 600, NX 200t, NX 300, NX 300h, RC 200t
Note: During the purchasing process, please check carefully whether the part you want to buy fits your car!
Reference Sources
Lexus P1406, DTCDECODE.
