# Service bulletin R51

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: 10228090
- Published by NHTSA: 2022\-12\-19
- Manufacturer's number: R51
- Manufacturer's date: 2016\-05\-01
- NHTSA component: EXTERIOR LIGHTING; AIR BAGS

## NHTSA's summary

Customer Satisfaction Notification R51 Winter Front Cover The Charge Air Cooler \(CAC\) on about 8,000 of the above vehicles may develop internal icing in cold temperature regions. This condition may cause the Malfunction Indicator Light \(MIL\) to illuminate and cause the vehicle to experience a 35 mph limp in condition. A winter front cover must be installed when sustained day and night time temperatures drop below 30° F \(\-1° C\).

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2016/MC-10228090-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2016/MC-10228090-9999.pdf)

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

## Components

Air bags, Lighting

## Vehicles listed

- 2014 to 2015 RAM 1500

## Recalls for the same vehicles and component

- [2021511](/recalls/tc/2021511.md), 2021-08-12: Airbag
- [21V632000](/recalls/nhtsa/21V632000.md), 2021-08-12: AIR BAGS:SIDE/WINDOW:CURTAIN:INFLATOR; AIR BAGS:SIDE/WINDOW:CURTAIN
- [2017250](/recalls/tc/2017250.md), 2017-05-10: Airbag
- [17V302000](/recalls/nhtsa/17V302000.md), 2017-05-09: AIR BAGS:SIDE/WINDOW:CURTAIN; AIR BAGS
- [15V534000](/recalls/nhtsa/15V534000.md), 2015-08-21: AIR BAGS:SIDE/WINDOW
- [2015330](/recalls/tc/2015330.md), 2015-07-22: Airbag
- [2015326](/recalls/tc/2015326.md), 2015-07-22: Airbag
- [15V460000](/recalls/nhtsa/15V460000.md), 2015-07-22: AIR BAGS:SIDE/WINDOW; SEAT BELTS
- [15V459000](/recalls/nhtsa/15V459000.md), 2015-07-22: AIR BAGS:FRONTAL

## Other bulletins for the same vehicles and component

- [S2025000001](/bulletins/10247967.md), 2024-01-02, Service bulletin: EXTERIOR LIGHTING; BACK OVER PREVENTION. Malfunction Indicator Lamp Illumination \(MIL\). Diagnostic Trouble Code \(DTC\) P203E ? Reductant Level Sensor 1 Circuit Intermittent\-Erratic Set.
- [S2025000001](/bulletins/10234440.md), 2023-04-17, Service bulletin: BACK OVER PREVENTION; EXTERIOR LIGHTING. Malfunction Indicator Lamp Illumination \(MIL\). Diagnostic Trouble Code \(DTC\) P203E ? Reductant Level Sensor 1 Circuit Intermittent\-Erratic Set.
- [1801515](/bulletins/10229210.md), 2023-01-09, Service bulletin: EXTERIOR LIGHTING. Malfunction Indicator Lamp \(MIL\) Illumination And/Or Intermittent No Crank No Start This bulletin involves inspecting the Charge Air Cooler \(CAC\) system for excessive water and/or ice and drying the CAC components if needed. It also involves installing a winter front cover.
- [S1625000005](/bulletins/10224028.md), 2022-10-17, Service bulletin: FUEL SYSTEM, DIESEL; AIR BAGS; FUEL SYSTEM, GASOLINE; EXTERIOR LIGHTING. \(Rev. A\) Malfunction Indicator Light \(MIL\) Illuminated. Service Diesel Exhaust Fluid \(DEF\) System ? See Dealer Soon Message on Electronic Vehicle Information Center \(EVIC\) Along With Possible Diagnostic Trouble Code \(DTC\) P241D \- SCR Inducement \- Forced Engine Shutdown.
- [S2025000001](/bulletins/10224024.md), 2022-10-17, Service bulletin: EXTERIOR LIGHTING; BACK OVER PREVENTION. \(Rev. B\) Malfunction Indicator Lamp Illumination \(MIL\). Diagnostic Trouble Code \(DTC\) P203E ? Reductant Level Sensor 1 Circuit Intermittent\-Erratic Set.
- [9003704](/bulletins/10221685.md), 2022-09-26, Service bulletin: SEATS; FUEL SYSTEM, GASOLINE; AIR BAGS; POWER TRAIN; BACK OVER PREVENTION; ENGINE AND ENGINE COOLING. Transmission Oil Pan, Heater \(TMU\), Tube or O\-ring Applies to vehicles equipped with 8 speed transmissions only; if you have a leak that appears to be at the pan the use of proper leak detection is recommended. The fluid in the 8 speeds can be detected with a black light and there are aftermarket spray on leak detection materials to help ensure that the leak is properly diagnosed and not from another location such as cooler lines, heater tubes, or case porosity. Please note that the transmission pan gasket is available for many of the 8 speed applications FCA offers. Please review the available quick connect and transfer tube parts, as replacement of the TMU may not be required. If a TOC line connection is found to be the source, the quick connect may need replacement. If the leak source is coming from the connection of the TMU to the transmission, the transfer tube may need replacement. When parts are returned to the QEC the retaining clips \(snap ring\) for the quick disconnect fittings are missing. \(This leaves a question as to whether the clips were missing from the assembly plant, or the technician removed them in order to make line removal easier.\) Please return the clips with the transmission heater and note if they were not there to begin with. For any questions regarding transmission heater, contact FCA Redacted Content. If no response in 15 minutes, proceed with repair.
- [18\-015\-15](/bulletins/10221544.md), 2022-09-26, Service bulletin: EXTERIOR LIGHTING; POWER TRAIN. Malfunction Indicator Lamp \(MIL\) Illumination And/Or Intermittent No Crank No Start This bulletin involves inspecting the Charge Air Cooler \(CAC\) system for excessive water and/or ice and drying the CAC components if needed. It also involves installing a winter front cover. A small number of customers may experience a MIL illumination when ambient temperatures fall below 32°F \(0 °C\). Upon further inspection, a technician may find the ? P0299 \- Turbocharger Underboost Condition ? U1424 \- Implausible Engine Torque Signal Received In addition, a customer vehicle may come in with a no crank/no start. This may have occurred after the vehicle has been driven for an extended period of time in extremely low ambient and then allowed to sit overnight. Further diagnosis may indicate a possible inoperative starter. A possible cause of these concerns may be contributed to internal icing of the Charge Air Cooler \(CAC\) system and intake manifold. Icing will occur because warm, moist air from the turbo charger is being rapidly cooled and the moisture is then condensed into liquid by the CAC. The liquid is then distributed into the rest of the intake system, which is operating at ambient temperature, where it will then freeze. Vehicles that are driven for extended periods of time are susceptible to higher amounts of ice build up within the intake manifold. Once the vehicle is turned off and allowed to sit, the ice formation in the intake will begin to melt due to the elevated underhood temperatures. The moisture will then run down the intake runners and accumulate in the combustion chamber through an open intake valve causing the engine to hydro\-lock. To help prevent icing in the CAC system when the vehicle is operated in low ambient temperatures, it is highly recommended that the vehicle have winter front cover installed. This raises the CAC outlet temperatures above freezing which will help reduce condensation build up.
- [0807914REVC](/bulletins/10221091.md), 2022-09-26, Service bulletin: ELECTRICAL SYSTEM; AIR BAGS; PARKING BRAKE. RA3 RA4 Radio Enhancements if required, updating the radio software. A small number of customers may experience one or more of the following: Low battery condition due to the radio remaining powered up after the ignition has been turned off \(U.S Markets Only\). The Radio may switch from SiriusXM to an AM station by itself. Uconnect registration always present, can not remove Uconnect account. Teleprompter does not appear when pressing the Voice Recognition \(VR\) button. VR operation cancels while in media mode. Radio may display previous cameras image before displaying the current image. Navigation lost vehicle position, during route calculation. Navigation displays are missing after vehicle heading changes. Navigation giving incorrect guidance to exit the highway. FM audio may switch to AM after ignition cycle. Text messages appear as sender?s phone number not their name. VR phone button may not work at times. Audio muted after AUX device is disconnected. VR, ? Listen? to text, will only play 1st message. Drive Mode: Eco, sport or normal setting may not be saved after key cycle \(LA, LD, LX and ZD Only\). Drive Mode: Shift light On/Off, out of sync \(LA, LD, LX and ZD Only\). SirusXM station information does not update. Speed adjusted volume, may not work. AM or FM seek or tuner soft keys may be missing. Display screen show ambient temperature as ?\- \- ? not normal values.Improvements: High Definition \(HD\) radio buffering. Spanish translation. Radio station, scroll feature. Drive Mode: Launch control button, text improvements \(LA, LD, LX and ZD Only\). Making assist calls. App functionality and screen displays. Displays correct media, song titles and tracks. Travel Link, Points Of Interest \(POI\), displaying movies and favorites. Incoming calls, audio enhancements \(LA, LD and LX Only\). Audio for strong AM stations. VR performance. Settings can only be changed in run mode, not ACC. Notify user when messaging features are not s
- [1807314](/bulletins/10221085.md), 2022-09-26, Service bulletin: EXTERIOR LIGHTING; ELECTRICAL SYSTEM. Flash: 3.0L Powertrain Diagnostic And System Enhancements EGR System And AC Compressor Relay Operation This bulletin involves reprogramming the Powertrain Control Module \(PCM\) with the latest available software. The following powertrain system improvements/enhancements are included in this software release. ? Enhancements to improve A/C compressor relay duty cycle operation to prevent ignition off battery draw. ? Powertrain system improvements to enable EGR cleaning routine. ? Software to eliminate Malfunction Indicator Lamp \(MIL\) Illumination with no defect found for Diagnostic Trouble Code \(DTC\) P016A\-00 \- Excessive Time To Enter Closed Loop Air/Fuel Ratio Control.
- [1802814REVD](/bulletins/10221080.md), 2022-09-26, Service bulletin: FUEL SYSTEM, GASOLINE; SERVICE BRAKES, HYDRAULIC; EXTERIOR LIGHTING; SUSPENSION; FUEL SYSTEM, DIESEL; BACK OVER PREVENTION; ELECTRICAL SYSTEM. Flash: MIL Illumination \- Diagnostic and System Improvements Bulletin involves reprogramming the Powertrain Control Module \(PCM\) with latest available software. It also involves replacement of the Oxygen \(O2\) Sensor and cleaning or replacement of Exhaust Gas Temperature \(EGT\) Sensor 1/2 if necessary, depending on Diagnostic Trouble Codes \(DTC\) that may have set. A small number of customers may experience an intermittent engine shudder or vibration which may not set a Diagnostic Trouble Code \(DTC\) other customers may experience a Malfunction Indicator Lamp \(MIL\) illumination upon which technician may find one or more of following DTCs have been set: P016A\-00 \- Excessive Time To Enter Closed Loop Air/Fuel Ratio Control. P2459\-00 \- Diesel Particulate Filter Regeneration Frequency. P0133\-00 \- O2 Sensor 1/1 Slow Response. P2084\-00 \- Exhaust Gas Temperature Sensor Circuit Performance \- \(1/2\). P0171\-00 \- Fuel System 1/1 Lean. P0426\-00 \- Catalyst Temperature Sensor Circuit Performance \(1/1\). P0045\-00 \- Turbocharger Boost Control Circuit/Open. P0087\-00 \- Fuel Rail Pressure Too Low. P009A\-00 \- Intake Air Temperature/Ambient Air Temperature Correlation. P0128\-00 \- Thermostat Rationality. P0234\-00 \- Turbocharger Overboost Condition. P0420\-00 \- Catalyst Efficiency \(Bank 1\). P05F8\-00 \- Reductant Heater Control Module Performance. P050E\-00 \- Cold Start Engine Exhaust Temperature Too Low. P200A\-00 \- Intake Manifold Runner Performance \- \(Bank 1\). P200B\-00 \- Intake Manifold Runner Performance \- \(Bank 2\). P202E\-00 \- Reductant Injection Valve Circuit Performance. P204F\-00 \- Reductant System Performance. P2080\-00 \- Exhaust Gas Temperature Sensor Circuit Performance. P20BA\-00 \- Reductant Heater 1 Control Circuit Performance. P20BE\-00 \- Reductant Pressure Line Heater Control Circuit Performance. P20C2\-00 \- Reductant Heater 3 Control Circuit Performance. P20E9\-00 \- Reductant Pressure Too High. P225C\-00 \- NOX Sensor 1/1 Performance \- Signal Stuck High.

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