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.

2021 Lexus RX 350 Base, AWDFACTORY OEM SERVICE PROCEDURE

DTC Index

Automatic Transmission / Transaxle System DTCS (U881E)
- Automatic Transaxle System
Automatic Transmission / Transaxle System DTCS (U881F)
- Automatic Transaxle System
Battery / Charging System DTCS (2GR-FKS)
- Charging System
Brake Control / Dynamic Control System DTCS
- Vehicle Stability Control System
Collision / Avoidance System DTCS
- Blind Spot Monitor System
- Forward Recognition Camera System
- Front Camera System
- Front Radar Sensor System
- Lane Control System
- Panoramic View Monitor System
- Road Sign Assist System
Communication System DTCS
- Can Communication System
- Lin Communication System
Cruise Control System DTCS
- Cruise Control System
- Dynamic Radar Cruise Control System
- LKA/LDA System
Door / Hatch Systems DTCS
- Back Door Closer System
- POWER BACK DOOR SYSTEM (w/ Outside Door Control Switch)
- POWER BACK DOOR SYSTEM (w/o Outside Door Control Switch)
Door Lock System DTCS
- Power Door Lock Control System
- Wireless Door Lock Control System
Engine Control System DTCS (2GR-FKS)
- SFI System
Entertainment System DTCS
- AUDIO AND VISUAL SYSTEM (for 8 Inch Display)
- AUDIO AND VISUAL SYSTEM (for 12.3 Inch Display)
- Rear Seat Entertainment System
- Safety Connect System
- Telematics System
HVAC System DTCS
- Air Conditioning System
Lighting System (Ext) DTCS
- AFS (Adaptive Front-Lighting System)
- Automatic Headlight Beam Level Control System
- Automatic High Beam System
- LIGHTING SYSTEM (w/ Automatic Headlight Beam Level Control System)
- LIGHTING SYSTEM (w/o Automatic Headlight Beam Level Control System)
Meter / Gauge / Display System DTCS
- HEADUP Display System
- Meter / Gauge System
Navigation / Multi Info Display System DTCS
- Navigation System
Park Assist / Monitoring System DTCS
- Intelligent Clearance Sonar System
- Intuitive Parking Assist System
- INTUITIVE PARKING ASSIST SYSTEM (w/ Intelligent Clearance Sonar System)
- Parking Assist Monitor System
Parking Brake System DTCS
- Electric Parking Brake System
Power Mirror System (Ext) DTCS
- POWER MIRROR CONTROL SYSTEM (w/ Memory)
- POWER MIRROR CONTROL SYSTEM (w/o Memory)
Power Seat System DTCS
- FRONT POWER SEAT CONTROL SYSTEM (w/ Memory)
- Seat Heater System
Power Steering System DTCS
- Power Steering System
- Power Tilt And Power Telescopic Steering Column System
- Steering Lock System
Sliding Roof / Convertible System DTCS
- Panoramic Moon Roof System
- Sliding Roof System
Supplemental Restraint Systems DTCS
- Airbag System
- Occupant Classification System
- Pre-Collision System
Suspension Control System DTCS
- Adaptive Variable Suspension System
Theft Deterrent / Keyless Entry System DTCS
- Immobiliser System
- SMART ACCESS SYSTEM WITH PUSH-BUTTON START (for Entry Function)
- SMART ACCESS SYSTEM WITH PUSH-BUTTON START (for Start Function)
Tire Pressure Monitoring System DTCS
- Tire Pressure Warning System
Transfer / 4WD / AWD System DTCS (MF1A)
- Dynamic Torque Control AWD System
Window / Glass DTCS
- Power Window Control System
Wiper / Washer System DTCS
- Wiper And Washer System

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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