TSBs

Ram Trucks Have Height Issues

July 26, 2022

This bulletin applies to 2015-2016 RAM 1500 trucks equipped with four-corner air suspension and built on or after Dec. 4, 2014.

Information courtesy of Mitchell 1

Mike Mavrigian

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This bulletin applies to 2015-2016 RAM 1500 trucks equipped with four-corner air suspension and built on or after Dec. 4, 2014.

The customer may experience no ride height changes in cold conditions. The MIL may be on and the following DTCs may be set:

C15A1-00....Unable to obtain desired ride height

C1562-98....Ride height air pump control, components 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

Using a scan tool, first verify that all engine systems are functioning as designed. Repair as necessary before reprogramming.

Reprogram the ASCM (air suspension control module) with the latest software.

ART: RAM (courtesy Chrysler)

About the Author

Information courtesy of Mitchell 1

Information for Technical Service Bulletins comes from ProDemand, Mitchell 1's auto repair information software for domestic and import vehicles. Headquartered in San Diego, Mitchell 1 has provided quality repair information solutions to the automotive industry since 1918.

About the Author

Mike Mavrigian | Motor Age Editor

Mike Mavrigian has written thousands of automotive technical magazine articles involving a variety of specialties, from engine building to wheel alignment, and has authored more than a dozen books that crisscross the automotive spectrum. Mike operates Birchwood Automotive, an Ohio shop that builds custom engines and performs vintage vehicle restorations. The shop also features a professional photo studio to document projects and to create images for articles and books.