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.
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HOMESERVICE MANUALSLEXUS2010RX 450H 3.5 BREPAIR AND DIAGNOSIS (SINGLE PAGE)QUICK LOOKUPSDTC INDEXNETWORKING DTCSCAN COMMUNICATION SYSTEM (FROM 08/2009)
2010 Lexus RX 450h 3.5 B
Can Communication System (From 08/2009)
2010 Lexus RX 450h 3.5 BSECTION Can Communication System (From 08/2009)
POWER MANAGEMENT CONTROL ECU OUTPUT DTCS (TECHSTREAM DISPLAY/PM1 GATEWAY) DIAGNOSTIC TROUBLE CODE (DTC) IDENTIFICATION
| DTC Code | Description |
|---|---|
| U0132 | Lost Communication with Ride Level Control Module |
| U0182 | Lost Communication with AFS ECU |
| U1002 | Lost Communication with Gateway Module (Power Management1) |
| U1100 | Lost Communication with Seat Belt Control ECU |
| U1104 | Lost Communication with Driving Support ECU |
| U1108 | Lost Communication with Front Active Stabilizer ECU |
| U1109 | Lost Communication with Rear Active Stabilizer ECU |
| U110B | Lost Communication with Parking Assist Control Module "B" |
| U1110 | Lost Communication with Clearance Sonar Module |
| U1110 | Lost Communication with Clearance Sonar Module |
POWER MANAGEMENT CONTROL ECU OUTPUT DTCS (TECHSTREAM DISPLAY/PM2 GATEWAY) DIAGNOSTIC TROUBLE CODE (DTC) IDENTIFICATION
| DTC Code | Description |
|---|---|
| U0100 | Lost Communication with ECM / PCM |
| U0129 | Lost Communication with Brake System Control Module |
| U0164 | Lost Communication with A/C ECU |
| U1002 | Lost Communication with Gateway Module (Power Management2) |
MAIN BODY ECU OUTPUT DTCS (TECHSTREAM DISPLAY/MAIN BODY) DIAGNOSTIC TROUBLE CODE (DTC) IDENTIFICATION
| DTC Code | Description |
|---|---|
| U0127 | Lost Communication with Tire Pressure Monitor Module |
| U0199 | Lost Communication with "Door Control Module A" |
| U0200 | Lost Communication with "Door Control Module B" |
| U0208 | Lost Communication with "Seat Control Module A" |
| U0230 | Lost Communication with Rear Gate Module |
| U1002 | Lost Communication with Gateway Module (Main Body) |
| U1115 | Lost Communication with Tilt and Telescopic Module |
ACTIVE STABILIZER CONTROL ECU OUTPUT DTCS (TECHSTREAM DISPLAY/FRONT STABILIZER, REAR STABILIZER) DIAGNOSTIC TROUBLE CODE (DTC) IDENTIFICATION
| DTC Code | Description |
|---|---|
| U1108 | Lost Communication with Front Active Stabilizer Control ECU |
| U1109 | Lost Communication with Rear Active Stabilizer Control ECU |
RENDER: 1.0x
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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.