# Service bulletin 08\-051\-16

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.

- Type: Service bulletin
- NHTSA id: 10076287
- Published by NHTSA: 2016\-07\-07
- Manufacturer's number: 08\-051\-16
- Manufacturer's date: 2016\-04\-23
- NHTSA component: SUSPENSION:FRONT:SPRINGS:AIR SUSPENSION SYSTEM

## NHTSA's summary

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 document

No address for NHTSA's copy can be built for this communication. Ask the dealer for it by the manufacturer's number.

## Components

Suspension, Air suspension

## Trouble codes named

C155E, C1562, C159F, C15A0, C15A1, C15AA

## Vehicles listed

- 2015 to 2016 RAM 1500

## Other bulletins for the same vehicles and component

- [08\-051\-16](/bulletins/10076508.md), 2016-07-14, 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.

JSON: [/v1/bulletins/10076287](/v1/bulletins/10076287)

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