What do these codes mean?

Asked by Apr 30, 2017 at 06:42 PM about the 2003 Lexus RX 300 Base AWD

Question type: Maintenance & Repair

The VSC light is on and I'm just wondering if that's
the source of the mysterious wobble the car makes
over 60. When we ran the diagnostics these codes
came up. Any help?

2 Answers

200

For VSC vehicle stability control ...o2 sensor b1 s2 this is oxygen sensor 2 on cylinder 1 side..for vehicle speed sensor that's mounted on transmission

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73,775

P0136 LEXUS - HO2S12 Circuit Malfunction...Possible causes: Faulty Rear Heated Oxygen Sensor Bank 1, Rear Heated Oxygen Sensor Bank 1 harness is open or shorted, Rear Heated Oxygen Sensor Bank 1 circuit poor electrical connection, Inappropriate fuel pressure, Faulty fuel injectors, Intake air leaks, Exhaust gas leaks...Replacing the Rear Heated Oxygen Sensor Bank 1 usually takes care of the problem. It takes more time for the sensor to respond between rich and lean than the specified time. Possible symptoms: Engine Light ON (or Service Engine Soon Warning Light), High Fuel Consumption, Excessive Smoke from Exhaust.......P0500 LEXUS - Vehicle Speed Sensor 'A'...Possible causes: Faulty Vehicle Speed Sensor, Vehicle speed sensor harness or connectors is open or shorted, Vehicle speed sensor circuit poor electrical connection, Faulty Engine Control Module (ECM). Tech notes: Replaced the speed sensor on top transmission...When the code is detected the almost 0 km/h (0 MPH) signal from vehicle speed sensor is sent to ECM even when vehicle is being driven. Possible symptoms: Engine Light ON (or Service Engine Soon Warning Light), Speedometer may not work properly, Transmission shifting problem.

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