# Service bulletin 18\-078\-15

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: 10151783
- Published by NHTSA: 2018\-12\-17
- Manufacturer's number: 18\-078\-15
- Manufacturer's date: 2015\-10\-31
- NHTSA component: SERVICE BRAKES, HYDRAULIC; ENGINE; FUEL SYSTEM, GASOLINE; ELECTRICAL SYSTEM

## NHTSA's summary

Flash: 6.7L Diagnostic and System Improvements This bulletin involves selectively erasing and reprogramming the Engine Control Module \(ECM\) with new software. Several software improvements are available for vehicles equipped with a Cummins 6.7L Turbo Diesel. These improvements are separated into the following categories. WARNING:There will be a choice between 2 calibrations. One for vehicles that utilize an ammonia sensor and one for vehicles that have had the ammonia sensor removed. Be sure to select the correct software based on vehicle configuration. Prevent Or Reduce Unnecessary Malfunction Indicator Lamp \(MIL\) Illumination For The Following Diagnostic Trouble Codes \(DTCs\). These DTCs Are Currently Set As A One Trip Fault And Should Be A Two Trip Fault: ? P0201 \- P0206 \- Fuel Injector X Circuit/Open. ? P049D \- EGR Control Position Exceeded Learning Limit. These DTCs Are Currently Set As A Two Trip Fault And Should Have Been A One Trip Fault: ? U12A4 \- Lost Communication With Ammonia Sensor. Improvements To Prevent Or Reduce Unnecessary Malfunction Indicator Lamp \(Mil\) Illumination For: ? P205E \- \(Diesel Exhaust Fluid\) Reductant Tank Temperature Sensor Circuit Intermittent \(setting when the block heater is plugged in\). ? U110E \- Lost Ambient Temperature Message. ? P20E8 \- \(Diesel Exhaust Fluid\) Reductant Pressure Too Low. ? P2281 \- Air Leak Between MAF and Throttle Body. ? U3017 \- Control Module Timer/Clock Performance. ? U1421 \- Implausible Ignition Key Off Time Received. ? P0128 \- Thermostat Rationality. In cold ambient temperatures. ? P0087 \- Fuel Rail Pressure Too Low. ? P0544 \- Exhaust Gas Temperature Sensor Circuit \- Bank 1 Sensor 1. ? P2002 \- Diesel Particulate Filter Efficiency Below Threshold. ? P061A \- Level 2 Torque Performance. ? P0234 \- Turbocharger Overboost condition. ? P026A \- Charge Air Cooler Efficiency Below Threshold. ? P0299 \- Manifold Pressure Sensor Out of Range Low. ? P0544 \- Exhaust Gas Temperature \(EGT

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2015/MC-10151783-9999.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2015/MC-10151783-0001.pdf)

The document is the manufacturer's. This site does not hold it.

## Components

Brakes, Electrical system, Engine, Fuel system

## Trouble codes named

P0087, P0128, P0201, P0206, P0234, P026A, P0299, P049D, P0544, P061A, P2002, P205E, P20E8, P2281, U110E, U12A4, U1421, U3017

## Vehicles listed

- 2013 RAM 3500
- 2013 RAM 4500

## Recalls for the same vehicles and component

- [2017441](/recalls/tc/2017441.md), 2017-09-13: Engine
- [17V562000](/recalls/nhtsa/17V562000.md), 2017-09-12: ENGINE AND ENGINE COOLING:ENGINE:DIESEL
- [16V739000](/recalls/nhtsa/16V739000.md), 2016-10-13: ELECTRICAL SYSTEM:ALTERNATOR/GENERATOR/REGULATOR
- [2016500](/recalls/tc/2016500.md), 2016-10-12: Electrical
- [2014449](/recalls/tc/2014449.md), 2014-10-09: Fuel System
- [14V635000](/recalls/nhtsa/14V635000.md), 2014-10-08: ENGINE AND ENGINE COOLING:ENGINE:DIESEL; FUEL SYSTEM, DIESEL
- [2013104](/recalls/tc/2013104.md), 2013-04-05: Engine
- [13V122000](/recalls/nhtsa/13V122000.md), 2013-04-03: ENGINE AND ENGINE COOLING

## Other bulletins for the same vehicles and component

- [S1203000003 REV.A](/bulletins/11034393.md), 2026-07-02, Service bulletin: SERVICE BRAKES. Trac\-Rite Operation Diagnosis, Chatter, Shudder, Moving From A Stop And Turning
- [112906](/bulletins/11034373.md), 2026-07-02, Service bulletin: ENGINE. BEARING \- CRANKSHAFT THRUST and KIT
- [112906](/bulletins/11034337.md), 2026-07-02, Service bulletin: ENGINE. BEARING \- CRANKSHAFT THRUST and KIT
- [S1623000028 Rev. K](/bulletins/11033975.md), 2026-06-18, Service bulletin: ELECTRICAL SYSTEM; STRUCTURE:BODY. Outside Power Fold Rearview Mirror Noise Or Loose At Pivot. Mirror Contacts Door Window Glass In The Folded Position.
- [S1623000028 REV.I](/bulletins/11033308.md), 2026-06-03, Service bulletin: ELECTRICAL SYSTEM; STRUCTURE:BODY. Outside Power Fold Rearview Mirror Noise Or Loose At Pivot. Mirror Contacts Door Window Glass In The Folded Position.
- [110603](/bulletins/11030026.md), 2026-03-13, Service bulletin: ELECTRICAL SYSTEM. SPEAKER \- NONE
- [110604](/bulletins/11030025.md), 2026-03-13, Service bulletin: ELECTRICAL SYSTEM. SPEAKER \- NONE
- [9100735](/bulletins/11026651.md), 2025-12-17, Service bulletin: ELECTRICAL SYSTEM. Verify "Z" part number availability. Order a "Z" part number for all Exchange Orders: Warranty, Mopar, Customer pay and Service contract. Order"68" part number for New unsold units only
- [S2503000004](/bulletins/11025513.md), 2025-11-13, Service bulletin: ELECTRICAL SYSTEM. Front Axle Disconnect \(FAD\) Electrical Connector Design Change On Replacement Axle Assemblies.
- [106241](/bulletins/11021585.md), 2025-08-06, Service bulletin: ELECTRICAL SYSTEM. LAMP \- DOME

JSON: [/v1/bulletins/10151783](/v1/bulletins/10151783)

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