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August 5, 2021 Service bulletin

Customer complaint may include the transmission going into neutral on its own

Ram technical service bulletin S2118000013 for 2019-2021 Ram 1500.

Bulletin number
S2118000013
Component
Electrical system
Summary
Customer complaint may include the transmission going into neutral on its own. A Mil-on/check engine lamp-on condition may also be present. Upon further investigation, one or more of the following DTCs may be set in the powertrain control module (PCM): P219A-Bank 1 Air-Fuel Ratio Imbalance P219B-Bank 2 Air-Fuel Ratio Imbalance P2173-High Airflow/Vacuum Leak Detected (Slow Accumulation) P2172-High Airflow/Vacuum Leak Detected (Instantaneous Accumulation) P0172-Fuel System 1/1 Rich P0175-Fuel System 2/1 Rich (Incorrect "July 2021" on document)

Owners of these vehicles have filed 747 complaints in the electrical category.

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