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Hello, All,
Looking for some inputs on my recent issues with 2016 LML. I was getting DPF system messages with reduction in power and I followed common root causes and replaced all three DPF heaters (including DPF pump heater). However the issue is not resolved and the previous fault P20C3 (Reductant Heater 3 Control Circuit Low Voltage) now is accompanied with P262B (Control Module POwer OFF timer performance) with immediate reduction to 4 mph. The only way to reset those is to disconnect battery and run Reductant system service bay test via my Solus Edge. It happens after about 15 minutes driving with outside temp below 40F. I have ECM on order, but now I am debating if this is the correct approach here. Thanks for all your inputs.
 
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