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Rellinn
02-24-2018, 07:13 AM
Hi all,

I have a problem with my ETM module. Have diagnosed with Dice and also iCarsoft tool.

got code 284: ECM-9150 Throttle position (TP) sensor 1. Faulty signal

372: CEM-1A5D Communication with the electronic throttle module (ETM). Signal missing


There are new sensors on both sides

I have also measured the voltage of the module (1 is three pin side and 2 is five pin side)

GND – 1-0,01 volts, 2-0,02volts

Vss – 1-5,03 volts, 2-5,02

Voutput @ default throttle position – 1-1,42volts, 2-1,49volts

Voutput @ closed throttle position – 1-0.61 volts, 2-0,66volts

Voutput @ full open throttle – 1-4,62volts, 2-4,66volts


With iCarsoft tool I can do live stream data on the ETM and it show 108 degree on potentiometer 1 and potentiometer 2 is shoving normal behavior.

the problem seems to be the connection between ETM and ECM through pin 3 and 4

Is my ETM module bad or do I have some other issues? Has anyone encountered this problem?

thanks