Service bulletin 18-099-16
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 | 10121722 |
| Published by NHTSA | 2017-11-03 |
| Manufacturer's number | 18-099-16 |
| Manufacturer's date | 2016-09-02 |
| NHTSA component | ENGINE; ELECTRICAL SYSTEM |
NHTSA's summary
Flash: 6.7L Diagnostic And System Improvements This bulletin involves reprogramming the Engine Control Module (ECM) with the latest available software. Several software improvements are available for vehicles equipped with a Cummins 6.7L turbo diesel. NOTE: There will be a choice between two 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. Improvements to prevent or reduce Malfunction Indicator Lamp (MIL) illumination when no defect is present for the following Diagnostic Trouble Codes (DTCs): · **P20EE - Selective Catalytic Reduction (SCR) NOx Catalyst Efficiency Below Threshold - Bank 1 (For ammonia sensor equipped vehicles).** · P1C55 - NOx Sensor Intermittent - Bank 1 Sensor 1 (For ammonia sensor deleted systems only). · P218F - Reductant No Flow Detected. · P242F - Diesel Particulate Filter Restriction - Ash Accumulation. · U110E - Lost Ambient Temperature Message. · P205E - (Diesel Exhaust Fluid) Reductant Tank Temperature Sensor Circuit Intermittent (setting when the block heater is plugged in). · P20E8 - (Diesel Exhaust Fluid) Reductant Pressure Too Low. · U3017 - Control Module Timer/Clock Performance. · U1421 - Implausible Ignition Key Off Time Received. · P2281 - Air Leak Between MAF And Throttle Body. Other Software Improvements: · Ambient Air Temperature Improvements. · Operational Improvement for Dual Alternators. · Selective Catalytic Reduction (SCR) Efficiency scan tool test improvement. · Fuel Filter Minder calibration changes. · wiTECH Fuel Pressure Override and Fuel System Run Up test improvements. · Exhaust Gas Recirculation (EGR) system improvement to help prevent freeze up. · Diesel Exhaust Fluid (DEF) system enhancement during stationary regeneration.
The document
The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.
Components
Electrical system, Engine
Trouble codes named
P1C55, P205E, P20E8, P20EE, P218F, P2281, P242F, U110E, U1421, U3017
| RAM 3500 | 2015 |
|---|---|
| RAM 4500 | 2015 |
Listing a model year does not mean every vehicle of it is concerned: the document says which.
| 2018269 | 2018-05-17. Engine |
|---|---|
| 18V332000 | 2018-05-17. ELECTRICAL SYSTEM:SOFTWARE; VEHICLE SPEED CONTROL:CRUISE CONTROL; ELECTRICAL SYSTEM:WIRING |
| 2017441 | 2017-09-13. Engine |
| 17V562000 | 2017-09-12. ENGINE AND ENGINE COOLING:ENGINE:DIESEL |
A recall listed here may apply to some of the same vehicles. Only the manufacturer can say whether it applies to one vehicle.
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