CEL for DEF Heater Line Failure
06-07-2020 | 11:19 AM
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Joined: Dec 2019
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From: Hudson, WI
2011 ML350 Bluetec diesel; 2018 Ford F250 PSD 6.7l; 2021 Honda Pilot
CEL for DEF Heater Line Failure
Good morning. I have a 2011 ML 350 BlueTec diesel. I have a CEL with a error code of 20B91B: Output for heating element for pressure line "AdBlue" has an electrical fault or open circuit. The part needed is 164.470.01.24. How hard is this to change DIY? Has anyone been on this path before? Thanks. Paul
