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Service bulletins for the 2015 Ram 1500

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.

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

By type

By component

By trouble code

Only bulletins with component: Suspension are shown. Show all

Bulletins, newest first
91002292023-10-30. Service bulletin. SUSPENSION. LIFTER, Hydraulic Roller Deactivating Please do not replace MDS lifters because the disconnecting pin is not lined up, this is normal and not a defect.
S1723000007RevF2022-09-26. Service bulletin. SUSPENSION; ELECTRONIC STABILITY CONTROL:AUTOMATIC (ASC). Air Suspension Inoperative And Or Compressor Freeze Up Or Sticking In Cold Weather.
08-051-162022-09-15. Service bulletin. ELECTRICAL SYSTEM; SUSPENSION; FUEL SYSTEM, GASOLINE; SERVICE BRAKES, HYDRAULIC; ELECTRONIC STABILITY CONTROL:AUTOMATIC (ASC); EXTERIOR LIGHTING. Flash: Air Suspension Control Module (ASCM) This bulletin involves updating the ASCM with the latest available software. Customers may experience no ride height change with the vehicle in real cold conditions and in addition they may also have a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find that the following Diagnostic Trouble Codes (DTCs) have been set: · C15A1-00 - Unable To Obtain Desired Ride Height. · C1562-98 - Ride Height Air Pump Control - Component Or System Over Temperature. · C1562-92 - Height Air Pump Control - Performance Or Incorrect Operation. · C159F-92 - Air Suspension Reverse Valve 1 Control - Performance Or Incorrect Operation. · C15A0-92 - Air Suspension Reverse Valve 2 Control - Performance Or Incorrect Operation. · C155E-92 - Height Pressure Vent Control - Performance Or Incorrect Operation. · C15AA-00 - Air Leak During Vent. In addition, the customer may notice the following condition: · Vehicle does not change ride heights when selected in cold weather.
S1723000007 Rev.2021-04-26. Service bulletin. SUSPENSION. Air Suspension Inoperative And Or Compressor Freeze Up Or Sticking In Cold Weather.
S17230000072020-06-22. Service bulletin. SUSPENSION. Air Suspension Inoperative And Or Compressor Freeze Up Or Sticking In Cold Weather.
90040222020-01-21. Service bulletin. SUSPENSION. Air Suspension Components Star Parts Catalog has been updated to show individual service parts for the compressor assembly. This will allow service technicians to repair the root cause without over repairing the system. Replace only the part deemed failed by the diagnostics performed. Individual parts include: - Compressor - Valve block - Individual hoses - Temp sensor - Shield - Air line clips NOTE: in most situations when a new compressor is needed, the compressor as a separate part is the correct repair, and the assembly would not be required.
68214859A2019-05-20. Service bulletin. SUSPENSION:REAR:AXLE:SPINDLE. Part Description: Axle assembly Issue Description: If replacing the rear axle assembly due to the R59 recall (DS axle Insufficient Axle Bearing Journal Hardness), please ensure that axle shafts are pitted and warrant axle assembly replacement per the recall service instructions. Mopar is committed to filling all orders within 48 hours. With a limited population of vehicles that will truly require an axle assembly a non-returnable policy is in place on this part and will be enacted to help protect inventory for vehicles that meet the inspection criteria within the R59 dealer repair procedure.
90031952018-11-19. Service bulletin. ELECTRONIC STABILITY CONTROL:AUTOMATIC (ASC); STEERING:ELECTRIC POWER ASSIST SYSTEM; SUSPENSION. Part Description: Skid Plate, Front Electric Power Steering Issue Description: Do not install this component on 2014 and 2015 Ram 1500 (DS/DX) vehicles built before 4/1/2014. These vehicles were built with a Front Lower Control Arm cross member that is not compatible with this skid plate. This cross member doesn't include the bolt attachment holes. Skid plates can be installed on vehicles built on or after 4/1/2014, if built with the a compatible Front Lower Control Arm cross member.
90025442018-09-24. Service bulletin. SUSPENSION:FRONT:WHEEL BEARING; SUSPENSION:FRONT:HUB. Part Description: Front Hub & Bearing Assembly Issue Description: Before replacing this part, please call Paul Kuehl on his cell at (248) 535-7013. If no answer, and no return call in 15 minutes, proceed with repair.
08-051-162018-06-04. Service bulletin. SUSPENSION; EQUIPMENT; ELECTRICAL SYSTEM. Flash: Air Suspension Control Module (ASCM) This bulletin involves updating the ASCM with the latest available software. Customers may experience no ride height change with the vehicle in real cold conditions and in addition they may also have a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find that the following Diagnostic Trouble Codes (DTCs) have been set: · C15A1-00 - Unable To Obtain Desired Ride Height. · C1562-98 - Ride Height Air Pump Control - Component Or System Over Temperature. · C1562-92 - Height Air Pump Control - Performance Or Incorrect Operation. · C159F-92 - Air Suspension Reverse Valve 1 Control - Performance Or Incorrect Operation. · C15A0-92 - Air Suspension Reverse Valve 2 Control - Performance Or Incorrect Operation. · C155E-92 - Height Pressure Vent Control - Performance Or Incorrect Operation. · C15AA-00 - Air Leak During Vent. In addition, the customer may notice the following condition: · Vehicle does not change ride heights when selected in cold weather.
08-051-162016-07-14. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; SUSPENSION:FRONT:SPRINGS:AIR SUSPENSION SYSTEM; SUSPENSION:REAR:SPRINGS:AIR SUSPENSION SYSTEM. SUBJECT: Flash: Air Suspension Control Module (ASCM) This bulletin involves updating the ASCM with the latest available software. SYMPTOM/CONDITION: Customers may experience no ride height change with the vehicle in real cold conditions and in addition they may also have a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find that the following Diagnostic Trouble Codes (DTCs) have been set: · C15A1-00 - Unable To Obtain Desired Ride Height. · C1562-98 - Ride Height Air Pump Control - Component Or System Over Temperature. · C1562-92 - Height Air Pump Control - Performance Or Incorrect Operation. · C159F-92 - Air Suspension Reverse Valve 1 Control - Performance Or Incorrect Operation. · C15A0-92 - Air Suspension Reverse Valve 2 Control - Performance Or Incorrect Operation. · C155E-92 - Height Pressure Vent Control - Performance Or Incorrect Operation • C15AA-00 - Air Leak During Vent. In addition, the customer may notice the following condition: • Vehicle does not change ride heights when selected in cold weather.
08-051-162016-07-07. Service bulletin. SUSPENSION:FRONT:SPRINGS:AIR SUSPENSION SYSTEM. SUBJECT: Flash: Air Suspension Control Module (ASCM) OVERVIEW: This bulletin involves updating the ASCM with the latest available software. SYMPTOM/CONDITION: Customers may experience no ride height change with the vehicle in real cold conditions and in addition they may also have a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find that the following Diagnostic Trouble Codes (DTCs) have been set: · C15A1-00 - Unable To Obtain Desired Ride Height. · C1562-98 - Ride Height Air Pump Control - Component Or System Over Temperature. · C1562-92 - Height Air Pump Control - Performance Or Incorrect Operation. · C159F-92 - Air Suspension Reverse Valve 1 Control - Performance Or Incorrect Operation. · C15A0-92 - Air Suspension Reverse Valve 2 Control - Performance Or Incorrect Operation. · C155E-92 - Height Pressure Vent Control - Performance Or Incorrect Operation. • C15AA-00 - Air Leak During Vent. In addition, the customer may notice the following condition: • Vehicle does not change ride heights when selected in cold weather.

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