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P1128 Diagnostic Trouble Code Discussion for December 2018

Closed Loop Fueling Not Achieved - Bank 1


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Trouble Ticket Help Requests for DTC P1128
Help Request Posted
2001 Lexus IS300 3.0L MIL Lamp on, no throttle control VIN: JTHBD182X1
P1128: ETCS Throttle Control Motor Lock Malfunction. The car has been to three other shops. Those shops butchered his wiring harness at the throttle position sensor, throttle control motor, and the accelerator position sensor. I repaired everything using solder, heat shrink tubing, new electrical terminals a...
December 06, 2018