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P1121 Diagnostic Trouble Code Discussion for August 2005

Electronic Throttle Control Actuator Malfunction

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Trouble Ticket Help Requests for DTC P1121
Help Request Posted
1998 Lexus LS400 4.0L MIL Lamp on VIN: JT8BH28F6W
P1121: accelerator pedal position range problem. ... po120 and po121. Replaced throttle body with updated throttle body to remedy this concern. Put first throttle body on and code p1121 accelerator pedal position sensor. range/problem showed up with key on. cannot clear hard co...
August 30, 2005