Rough idle or driveway stalling on Dodge Ram 50

Submitted by Vehicle Owner · May 29, 2025
Published by RepairPal

Problem overview

A rough idle or driveway stalling condition may occur with fault code 15 stored in the engine control module (ECM). Our technicians tell us that if the engine and ECM grounds test OK, and the throttle and idle speed control motor position sensors are functioning correctly, then adding an additional ground lead may be necessary to correct this issue.

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