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DEF Dosing Heater Relay
Posted to HD/Fleet Forum on 4/5/2022 3 Replies

Hi Everyone, We have a 2016 FL M2 6.7 ISB ESN 58579346, VIN# 3AKLACWDT9GDGZ0620. Have a stored active DTC-4156- DEF dosing heater relay fault. This is for the main tank heater control valve and am trying to locate the control relay. I am assuming it is located... Login to read more.

3 Replies Received (View Replies)