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Service bulletins for the 2022 Ram 2500

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

541 on file from NHTSA, as of 2026-10-19.

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By component

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Only bulletins with component: Electrical system are shown. Show all

Bulletins, newest first
S22080000802022-05-31. Service bulletin. ELECTRICAL SYSTEM. Ambient Air Temperature Missing, MIL Lamp On, DTC P0070-15 Ambient Air Temperature Sensor Circuit-Circuit Short to Battery or Open; P0073 Ambient Air Temperature Sensor Circuit High
S22080000732022-05-31. Service bulletin. ELECTRICAL SYSTEM. No Start, After Flash And Or PCM Replace, DTC P0513 Invalid Skim Key Setting
S1708000118 RevB2022-05-31. Service bulletin. ELECTRICAL SYSTEM. Battery Drain Concern, Dual USB Port Normal Operational Draw, Extended Illumination Or Extended Operation After Key Off
S2108000015 RevH2022-05-31. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. Uconnect Box Requires Service Message
08-180-212021-12-13. Service bulletin. ELECTRICAL SYSTEM. Radio Over The Air Software Version Updates This bulletin provides information regarding the latest Flash Over The Air (FOTA) update and provides the service technician an overview of the steps a customer will need to take to complete the update. The radio software will be updated from S21B.5 to S21C.6 (DT and HD), and S21C.8 (WS). The national launch for the FOTA will begin November 24, 2021 for DT and HD and December 10, 2021 For WS 2021. Customers may experience one or more of the following:Apple Carplay® concerns. Multiple Human Machine Interface (HMI) issues. Weather App will not open. Temperature Control soft button difficult to press and get a response. Voice Recognition audio muted. Radio Freezes. Android Auto® widget screen smaller than normal. Navigation says ?You have reached your destination? before you are at the location when using Android Auto.
08-175-212021-12-13. Service bulletin. SUSPENSION:REAR:SPRINGS:AIR SUSPENSION SYSTEM; ELECTRICAL SYSTEM; SUSPENSION; SUSPENSION:FRONT:SPRINGS:AIR SUSPENSION SYSTEM. Flash: Air Suspension Control Module (ASCM) Updates This bulletin involves reprogramming the ASCM with the latest available software. Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find that one or more of the following DTCs have been set:U0132 - Loss of Communication with Air Suspension Control Module. C15E1-97 - Left Rear Air Spring Intake - Component or System Operation Obstructed or Blocked. C220C-48 - Active Suspension Module Internal-Supervision Software Failure(2019 MY Only). C211B-92 - Ignition Run/Start Input-Performance Or Incorrect Operation(2019 MY Only). C156C-7A - Ride Height System Air Leak-Fluid Leak Or Seal Failure(2019 MY Only). In addition the customer may describe:Air suspension system is inoperable. During key ?On? or while driving, the ?service air suspension? light illuminates. Air spring deflated or ruptured. Right/left rear suspensions sits lower than the other side. Chime and "Service Air Suspension Immediately" message appeared in the cluster for 5 seconds. Excessive operation or noise from air suspension system when vehicle is stationary(2019 MY Only). "Air Suspension Disabled" message when attempting Bed Lowering Mode (BLM)(2019 MY Only). Excessive compressor valve cycling following a cold start(2019 MY with Diesel engine only). Erroneous "Bed Low Achieved" message through the Instrument Panel Cluster (IPC), when requesting lowering, even though the truck didn't physically lower. Ride height changes/valve actuations without operator request on rough roads.
08-172-21 REV. A2021-12-13. Service bulletin. ELECTRICAL SYSTEM. Radio Enhancements This bulletin involves inspecting the software level and updating the software if needed. The software will be updated from S21.8 or S21B.5 to S21C.6. Customers may experience one or more of the following:Valet mode inoperable(DT TRX only). Right and left trailer camera view is inoperable, soft buttons do not work, and "More Cams" button down does not show on Trailer 360 mode. Unable to program Trailer Tire Pressure Monitor (TTPM) warning. In addition the following enhancement are included:CarPlay® enhancements.
08-172-212021-12-13. Service bulletin. SERVICE BRAKES, HYDRAULIC; PARKING BRAKE; BACK OVER PREVENTION; TRAILER HITCHES; ELECTRICAL SYSTEM:WIRING:SWITCHES/KNOBS/BUTTONS. Radio Enhancements This bulletin involves inspecting the software level and updating the software if needed. The software will be updated from S21.8 or S21B.5 to S21C.6. Customers may experience one or more of the following:Valet mode inoperable(DT TRX only). Right and left trailer camera view is inoperable, soft buttons do not work, and "More Cams" button down does not show on Trailer 360 mode. Unable to program Trailer Tire Pressure Monitor (TTPM) warning. In addition the following enhancement are included:CarPlay® enhancements.
S2108000015 Rev.2021-12-13. Service bulletin. UNKNOWN OR OTHER; ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL. Uconnect Box Requires Service Message

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.