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 ES 350FACTORY OEM SERVICE PROCEDURE
Engine Control System - Diagnostic Codes (4 Of 4)
- DTC P0657 Actuator Supply Voltage Circuit / Open
- DTC P0705 Transmission Range Sensor Circuit Malfunction (PRNDL Input)
- DTC P1607 Cruise Control Input Processor
- DTC P2102 Throttle Actuator Control Motor Circuit Low; DTC P2103 Throttle Actuator Control Motor Circuit High
- DTC P2111 Throttle Actuator Control System - Stuck Open; DTC P2112 Throttle Actuator Control System - Stuck Closed
- DTC P2118 Throttle Actuator Control Motor Current Range / Performance
- DTC P2119 Throttle Actuator Control Throttle Body Range / Performance
- DTC P2120 Throttle / Pedal Position Sensor / Switch "D" Circuit; DTC P2122 Throttle / Pedal Position Sensor / Switch "D" Circuit Low Input; DTC P2123 Throttle / Pedal Position Sensor / Switch "D" Circuit High Input; DTC P2125 Throttle / Pedal Position Sensor / Switch "E" Circuit; DTC P2127 Throttle / Pedal Position Sensor / Switch "E" Circuit Low Input; DTC P2128 Throttle / Pedal Position Sensor / Switch "E" Circuit High Input; DTC P2138 Throttle / Pedal Position Sensor / Switch "D" / "E" Voltage Correlation
- DTC P2121 Throttle / Pedal Position Sensor / Switch "D" Circuit Range / Performance
- DTC P2195 Oxygen (A/F) Sensor Signal Stuck Lean (Bank 1 Sensor 1); DTC P2196 Oxygen (A/F) Sensor Signal Stuck Rich (Bank 1 Sensor 1); DTC P2197 Oxygen (A/F) Sensor Signal Stuck Lean (Bank 2 Sensor 1); DTC P2198 Oxygen (A/F) Sensor Signal Stuck Rich (Bank 2 Sensor 1)
- DTC P2237 Oxygen (A/F) Sensor Pumping Current Circuit / Open(Bank 1 Sensor 1); DTC P2238 Oxygen (A/F) Sensor Pumping Current Circuit Low (Bank 1 Sensor 1); DTC P2239 Oxygen (A/F) Sensor Pumping Current Circuit High (Bank 1 Sensor 1); DTC P2240 Oxygen (A/F) Sensor Pumping Current Circuit/ Open(Bank 2 Sensor 1); DTC P2241 Oxygen (A/F) Sensor Pumping Current Circuit Low (Bank 2 Sensor 1); DTC P2242 Oxygen (A/F) Sensor Pumping Current Circuit High (Bank 2 Sensor 1); DTC P2252 Oxygen (A/F) Sensor Reference Ground Circuit Low (Bank 1 Sensor 1); DTC P2253 Oxygen (A/F) Sensor Reference Ground Circuit High (Bank 1 Sensor 1); DTC P2255 Oxygen (A/F) Sensor Reference Ground Circuit Low (Bank 2 Sensor 1); DTC P2256 Oxygen (A/F) Sensor Reference Ground Circuit High (Bank 2 Sensor 1)
- DTC P2420 Evaporative Emission System Switching Valve Control Circuit High
- DTC P2610 ECM / PCM Internal Engine Off Timer Performance
- DTC P2A00 A/F Sensor Circuit Slow Response (Bank 1 Sensor 1); DTC P2A03 A/F Sensor Circuit Slow Response (Bank 2 Sensor 1)
- DTC U0101 Lost Communication with TCM
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.