Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
2008 Lexus LS 600hLFACTORY OEM SERVICE PROCEDURE
Engine Control System - DTC P0505 - P127D
- DTC P0505: Idle Control System Malfunction
- DTC P050A: Cold Start Idle Air Control System Performance
- DTC P050B: Cold Start Ignition Timing Performance
- DTC P0545: Exhaust Gas Temperature Sensor Circuit Low (Bank 1 Sensor 1); DTC P0546: Exhaust Gas Temperature Sensor Circuit High (Bank 1 Sensor 1); DTC P0548: Exhaust Gas Temperature Sensor Circuit Low (Bank 2 Sensor 1); DTC P0549: Exhaust Gas Temperature Sensor Circuit High (Bank 2 Sensor 1); DTC P2032: Exhaust Gas Temperature Sensor Circuit Low (Bank 1 Sensor 2); DTC P2033: Exhaust Gas Temperature Sensor Circuit High (Bank 1 Sensor 2); DTC P2035: Exhaust Gas Temperature Sensor Circuit Low (Bank 2 Sensor 2); DTC P2036: Exhaust Gas Temperature Sensor Circuit High (Bank 2 Sensor 2)
- DTC P0560: System Voltage
- DTC P0604: Random Access Memory (RAM)
- DTC P0606: ECM / PCM Processor
- DTC P0607: Control Module Performance
- DTC P060A: Internal Control Module Monitoring Processor Performance
- DTC P060B: Internal Control Module A/D Processing Performance
- DTC P060E: Internal Control Module Throttle Position Performance
- DTC P0657: Actuator Supply Voltage Circuit / Open
- DTC P0661: Intake Manifold Tuning Valve Control Circuit Low; DTC P0662: Intake Manifold Tuning Valve Control Circuit High
- DTC P1023: Camshaft Position Signal Output "B" Circuit; DTC P2614: Camshaft Position Signal Output Circuit / Open
- DTC P1081: HC Adsorber Switching Valve Bank 1 Stuck Open; DTC P1082: HC Adsorber Switching Valve Bank 1 Stuck Close; DTC P1083: HC Adsorber Switching Valve Bank 2 Stuck Open; DTC P1084: HC Adsorber Switching Valve Bank 2 Stuck Close
- DTC P1235: High Pressure Fuel Pump Circuit; DTC P1236: High Pressure Fuel Pump No. 2 Circuit
- DTC P1276: Port Injector Circuit No. 1; DTC P1277: Port Injector Circuit No. 2; DTC P1278: Port Injector Circuit No. 3; DTC P1279: Port Injector Circuit No. 4; DTC P127A: Port Injector Circuit No. 5; DTC P127B: Port Injector Circuit No. 6; DTC P127C: Port Injector Circuit #7; DTC P127D: Port Injector Circuit #8
Factory Service Tools
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.
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