RAM 1500 2015 — technical service bulletin
Bulletin 1807314 · NHTSA communication 10221085 · issued Dec 19, 2014
Technical service bulletin
communication type
Exterior Lighting
component
2015
model years
1
vehicle entries
Official summary
Flash: 3.0L Powertrain Diagnostic And System Enhancements EGR System And AC Compressor Relay Operation This bulletin involves reprogramming the Powertrain Control Module (PCM) with the latest available software. The following powertrain system improvements/enhancements are included in this software release. ? Enhancements to improve A/C compressor relay duty cycle operation to prevent ignition off battery draw. ? Powertrain system improvements to enable EGR cleaning routine. ? Software to eliminate Malfunction Indicator Lamp (MIL) Illumination with no defect found for Diagnostic Trouble Code (
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.