DTC P1638, BMW Hex Code 0x2CEC, BMW Code 11500: Throttle Valve Position Control Throttle Stuck Temporarily (Bank 1) (MAX): Remarks
Pulse-duty factor for control activation of throttle valve motor at least 0.5 sec, but less than 1 sec. over 99%
Pulse-duty factor for control activation of throttle valve motor at least 0.5 sec, but less than 1 sec. over 99%