Section 34 (Engine Control System - Diagnostic Codes & Symptom Tests)
WARNING: This page is about a different car, the 2019 Lexus GS 300, 2018 Lexus GS 300, 2017 Lexus GS 200t, and 2016 Lexus GS 200t. However, it is still accessible from the selected car via links, so may be relevant.
- SFI System
- DTC P1605-00: Rough Idling [10/2015 - ]
- DTC P1607-00: Cruise Control Input Processor [10/2015 - 09/2017]
- DTC P1607-00: Cruise Control Input Processor [09/2017 - ]
- DTC P2100-14: Throttle Actuator "A" Control Motor Circuit Short to Ground or Open; DTC P210015: Throttle Actuator "A" Control Motor Circuit Short to Battery or Open [10/2015 - ]
- DTC P2109-00: Throttle/Pedal Position Sensor "A" Minimum Stop Performance [10/2015 - ]
- DTC P2111-72: Throttle Actuator "A" Control System Actuator Stuck Open; DTC P211173: Throttle Actuator "A" Control System Actuator Stuck Closed [10/2015 - ]
- DTC P2119-00: Throttle Actuator "A" Control Throttle Body Range/Performance; DTC P211904: Throttle Actuator "A" Control Throttle Body Range/Performance System Internal Failure; DTC P211977: Throttle Actuator "A" Control Throttle Body Range/Performance Commanded Position Not Reachable [10/2015 - ]
- DTC P2120-12: Throttle/Pedal Position Sensor/Switch "D" Circuit Short to Battery; DTC P212014: Throttle/Pedal Position Sensor/Switch "D" Circuit Short to Ground or Open; DTC P21201F: Throttle/Pedal Position Sensor/Switch "D" Circuit Intermittent; DTC P212512: Throttle/Pedal Position Sensor/Switch "E" Circuit Short to Battery; DTC P212514: Throttle/Pedal Position Sensor/Switch "E" Circuit Short to Ground or Open; DTC P21251F: Throttle/Pedal Position Sensor/Switch "E" Circuit Intermittent; DTC P21382B: Throttle/Pedal Position Sensor/Switch "D"/"E" Voltage Correlation Signal Cross Coupled [10/2015 - ]
- DTC P2120-1C: Throttle/Pedal Position Sensor/Switch "D" Circuit Voltage Out of Range; DTC P212099: Throttle/Pedal Position Sensor/Switch "D" Exceeded Learning Limit [10/2015 - ]
- DTC P2195-19: A/F (O2) Sensor Signal Biased/Stuck Lean Bank 1 Sensor 1 Circuit Current Above Threshold; DTC P219524: A/F (O2) Sensor Signal Biased/Stuck Lean Bank 1 Sensor 1 Signal Stuck High; DTC P219618: A/F (O2) Sensor Signal Biased/Stuck Rich Bank 1 Sensor 1 Circuit Current Below Threshold; DTC P219623: A/F (O2) Sensor Signal Biased/Stuck Rich Bank 1 Sensor 1 Signal Stuck Low [09/2018 - ]
- DTC P2195-1D: O2 Sensor Signal Biased/Stuck Lean Bank 1 Sensor 1 Circuit Current Out of Range; DTC P219523: O2 Sensor Signal Biased/Stuck Lean Bank 1 Sensor 1 Signal Stuck Low; DTC P21961D: O2 Sensor Signal Biased/Stuck Rich Bank 1 Sensor 1 Circuit Current Out of Range; DTC P219624: O2 Sensor Signal Biased/Stuck Rich Bank 1 Sensor 1 Signal Stuck High [10/2015 - 09/2018]
- DTC P21CF-13: Cylinder 1 Injector "B" Circuit Open; DTC P21D013: Cylinder 2 Injector "B" Circuit Open; DTC P21D113: Cylinder 3 Injector "B" Circuit Open; DTC P21D213: Cylinder 4 Injector "B" Circuit Open [10/2015 - ]
- DTC P2226-11: Barometric Pressure Sensor "A" Circuit Short to Ground; DTC P222615: Barometric Pressure Sensor "A" Circuit Short to Battery or Open [10/2015 - ]
- DTC P2237-11: O2 Sensor Positive Current Control Bank 1 Sensor 1 Circuit Short to Ground; DTC P223712: O2 Sensor Positive Current Control Bank 1 Sensor 1 Circuit Short to Battery; DTC P223714: O2 Sensor Positive Current Control Bank 1 Sensor 1 Circuit Short to Ground or Open; DTC P223716: O2 Sensor Positive Current Control Bank 1 Sensor 1 Circuit Voltage Below Threshold; DTC P223717: O2 Sensor Positive Current Control Bank 1 Sensor 1 Circuit Voltage Above Threshold; DTC P22371A: O2 Sensor Positive Current Control Bank 1 Sensor 1 Circuit Resistance Below Threshold; DTC P225111: O2 Sensor Negative Current Control Bank 1 Sensor 1 Circuit Short to Ground; DTC P225112: O2 Sensor Negative Current Control Bank 1 Sensor 1 Circuit Short to Battery [10/2015 - 09/2017]
- DTC P2237-11: O2 Sensor Positive Current Control Bank 1 Sensor 1 Circuit Short to Ground; DTC P223712: O2 Sensor Positive Current Control Bank 1 Sensor 1 Circuit Short to Battery; DTC P223714: O2 Sensor Positive Current Control Bank 1 Sensor 1 Circuit Short to Ground or Open; DTC P223716: O2 Sensor Positive Current Control Bank 1 Sensor 1 Circuit Voltage Below Threshold; DTC P223717: O2 Sensor Positive Current Control Bank 1 Sensor 1 Circuit Voltage Above Threshold; DTC P22371A: O2 Sensor Positive Current Control Bank 1 Sensor 1 Circuit Resistance Below Threshold; DTC P225111: O2 Sensor Negative Current Control Bank 1 Sensor 1 Circuit Short to Ground; DTC P225112: O2 Sensor Negative Current Control Bank 1 Sensor 1 Circuit Short to Battery [09/2017 - 09/2018]
- DTC P2237-11: O2 Sensor Positive Current Control Bank 1 Sensor 1 Circuit Short to Ground; DTC P223712: O2 Sensor Positive Current Control Bank 1 Sensor 1 Circuit Short to Battery; DTC P223713: A/F (O2) Sensor Positive Current Control Bank 1 Sensor 1 Circuit Open; DTC P223716: O2 Sensor Positive Current Control Bank 1 Sensor 1 Circuit Voltage Below Threshold; DTC P223717: O2 Sensor Positive Current Control Bank 1 Sensor 1 Circuit Voltage Above Threshold; DTC P22371B: A/F (O2) Sensor Positive Current Control Bank 1 Sensor 1 Circuit Resistance Above Threshold; DTC P225111: O2 Sensor Negative Current Control Bank 1 Sensor 1 Circuit Short to Ground; DTC P225112: O2 Sensor Negative Current Control Bank 1 Sensor 1 Circuit Short to Battery [09/2018 - ]
- DTC P2418-7F: Evaporative Emission System Switching Valve Control Circuit Actuator Stuck Off [10/2015 - 09/2018]
- DTC P2418-7F: Evaporative Emission System Switching Valve Control Circuit Actuator Stuck Off [09/2018 - ]
- DTC P25B3-72: Turbocharger/Supercharger Wastegate "A" Actuator Stuck Open [10/2015 - ]
- DTC P25B4-73: Turbocharger/Supercharger Wastegate "A" Actuator Stuck Closed [10/2015 - ]
- DTC P2610-29: ECM/PCM Engine Off Timer Performance Signal Invalid; DTC P261093: ECM/PCM Engine Off Timer Performance No Operation [10/2015 - ]
- DTC U0101-87: Lost Communication with TCM Missing Message [10/2015 - ]
- DTC U0155-87: Lost Communication with Instrument Panel Cluster (IPC) Control Module Missing Message [09/2018 - ]
- DTC U1104-87: Lost Communication with Driving Support ECU Missing Message [10/2015 - 09/2018]
- Symptom Tests