Friday, August 7, 2026
RecallGazette

Vehicle problems, recalls & safety intelligence

RAM Promaster 2015–2016technical service bulletin

Bulletin 1813522 · NHTSA communication 10229567 · issued Aug 17, 2022

Technical service bulletin
communication type
Suspension
component
2015–2016
model years
2
vehicle entries

Official summary

Flash: Powertrain Control Module (PCM) Updates This bulletin involves reprogramming the PCM with the latest available software. Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation, a technician may find one or more of the following DTCs have been set: P0133 - O2 Sensor 1/1 Slow Response. P0153 - O2 Sensor 2/1 Slow Response. P0335 - Crankshaft Position Sensor Circuit. The following software improvements are also available:Improved vacuum sensor diagnosis for the Hydraulic Booster Compensation (HBC) feature in the Electronic Suspension Control (ES

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.