Quote:
Originally Posted by Whizzo
The month, during an especially hard trailer summer towing trip of over 2,000 miles, the “Reduced Engine Power” self-preservation mode kicked in during on particularly steep mountain pull. It reset itself at the next fuel stop, and has not recurred either towing or not towing in three weeks. No codes generated.
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What did you use to scan for codes? I always get a code when I get the idrive message. Usually it is nothing to worry about as towing can do odd things. It could be as simple as your transmission was getting warm and the ECU was limiting torque to protect it until it cooled down. I tow in DS around town to keep the RPMs up.
You and I have replaced nearly all the same parts but I also replaced my engine partition last winter. That one is important because it keeps water off the injector wiring.