RAM 1500 2021 — technical service bulletin
Bulletin 0900421 · NHTSA communication 10223370 · issued May 27, 2021
Technical service bulletin
communication type
Engine and Engine Cooling
component
2021
model years
5
vehicle entries
Official summary
Oil Control Valve Connector Not Seated This bulletin involves inspecting the oil control valve connector and possibly seating the connector. Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find the following Diagnostic Trouble Code (DTC) has been set: P0013 - Bank 1 Camshaft 2 Position Actuator Circuit Open.
What a TSB means. Technical service bulletins are repair guidance manufacturers send to dealers — they are not recalls, and repairs are not automatically free (warranty extensions are an exception worth checking). The full document is available via NHTSA’s vehicle lookup.