Dodge Ram 2500 2010–2012 — technical service bulletin
Bulletin 25-002-14 · NHTSA communication 10139681 · issued Aug 1, 2014
Technical service bulletin
communication type
Back Over Prevention
component
2010–2012
model years
3
vehicle entries
Official summary
Malfunction Indicator Lamp Illumination Due To Oxygen Sensor This bulletin involves the installation of an Oxygen (O2) Sensor Overlay Harness for any Oxygen Sensor related DTC(s). The Overlay Harness will consist of twelve 18 AWG wires (six from each Oxygen Sensor) that run to a new Oxygen Sensor Module connector. Four wires will be removed from the original vehicle O2 Module connector and installed in the new overlay harness O2 Module connector.Do NOT replace any parts prior to performing this bulletin and the Verifications test below. If the vehicle has any of the following DTC?s for O2 Sens
Vehicles covered
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.