# Service bulletin S1923000047RevA

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: 10223919
- Published by NHTSA: 2022\-10\-17
- Manufacturer's number: S1923000047RevA
- Manufacturer's date: 2020\-10\-14
- NHTSA component: EXTERIOR LIGHTING

## NHTSA's summary

P1D73 AGS \(Active Grille Shutter Performance\), Malfunction Indicator Lamp \(MIL\) Illuminated

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2020/MC-10223919-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2020/MC-10223919-9999.pdf)

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

## Components

Lighting

## Trouble codes named

P1D73

## Vehicles listed

- 2019 RAM 2500
- 2019 RAM 3500
- 2019 RAM 4500
- 2019 RAM 5500

## Recalls for the same vehicles and component

- [2019258](/recalls/tc/2019258.md), 2019-05-31: Lights And Instruments

## Other bulletins for the same vehicles and component

- [1800724](/bulletins/10251872.md), 2024-03-18, Service bulletin: POWER TRAIN; ELECTRONIC STABILITY CONTROL:AUTOMATIC \(ASC\); BACK OVER PREVENTION; EXTERIOR LIGHTING; ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM; SERVICE BRAKES, HYDRAULIC; FUEL SYSTEM, GASOLINE; EQUIPMENT; FUEL SYSTEM, DIESEL; PARKING BRAKE. Flash: Powertrain Control Module \(PCM\) Updates Customers may experience a Malfunction Indicator Lamp \(MIL\) illumination. Upon further investigation the technician may find one or more of the following Diagnostic Trouble Codes \(DTCs\) have been set: P0506\-00 \- Idle Control System RPM \- Lower Than Expected. P0607\-00 \- ECU Internal Performance. P20E8\-00 \- Reductant Pressure Too Low. P0301\-00 \- Cylinder 1 Misfire. P0302\-00 \- Cylinder 2 Misfire. P0303\-00 \- Cylinder 3 Misfire. P0304\-00 \- Cylinder 4 Misfire. P0305\-00 \- Cylinder 5 Misfire. P0306\-00 \- Cylinder 6 Misfire. P0299\-00 \- Turbocharger Underboost. P1D73\-00 \- AGS Performance. P0626 \- Generator Field Control Circuit High. P218F \- Reductant No Flow Detected. P2002 \- Diesel Particulate Filter Efficiency Below Threshold. P24A5 \- EGR Cooler Bypass Bank 1 Control Stuck. P0191 \- Fuel Rail Pressure Sensor Circuit Performance. P0461 \- Fuel Level Sensor 1 Performance. P0401 \- EGR System Performance. P20EE \- SCR NOx Catalyst Efficiency Below Threshold \- Bank 1. P061A \- Level 2 Torque Performance. P061B \- Internal Control Module Torque Calculation Performance. P061E \- Internal Control Module Brake Signal Performance. P062C \- ETC Level 2 MPH Performance. P0106 \- Manifold Absolute Pressure Sensor Performance \(In extreme cold ambient temperatures\). P0116 \- Engine Coolant Temperature Sensor Performance. P0420 \- Catalyst System Efficiency Bank 1. P1507 \- Crankcase Filter Restriction. P203F \- Reductant Level Too Low. P226C \- Turbocharger Boost Control ?A? Slow Response \(In extreme cold ambient temperatures\). P2579 \- Turbocharger Speed Sensor Circuit. U0101 \- Lost Communication with TCM. U02A3 \- Lost of Communication with PM Sensor. U3017 \- Control Module Timer/Clock Performance.
- [S1625000003 Rev.](/bulletins/10231712.md), 2023-02-13, Service bulletin: BACK OVER PREVENTION; EXTERIOR LIGHTING. Malfunction Indicator Lamp \(MIL\) Illumination. NOx Sensor Diagnostic Trouble Codes \(DTCs\) Diagnosis Information.
- [S2118000012](/bulletins/10230222.md), 2023-01-17, Service bulletin: EXTERIOR LIGHTING. Malfunction Indicator Lamp \(MIL\) Illumination. Diagnostic Trouble Code \(DTC\) P0607 ? ECU Internal Performance, Set.
- [S2025000007](/bulletins/10230195.md), 2023-01-17, Service bulletin: EXTERIOR LIGHTING. Malfunction Indicator Lamp \(MIL\) Illumination. Diagnostic Trouble Code \(DTC\) P218F ? Reductant No Flow Detected set.
- [18\-099\-22 REV. A](/bulletins/10229792.md), 2023-01-17, Service bulletin: EXTERIOR LIGHTING; FUEL SYSTEM, GASOLINE; SERVICE BRAKES, HYDRAULIC. Diesel Fuel Pump Failure and System Contamination Customers may experience a Malfunction Indicator Lamp \(MIL\) illumination. Upon further investigation the technician may find that one or more of the following Diagnostic Trouble Codes \(DTCs\) have been set: ? P0087\-00 \- Fuel Rail Pressure Too Low. ? P008A\-00 \- Low Pressure Fuel System Pressure \- Too Low. ? P0201\-00 \- Fuel Injector 1 Circuit/Open. ? P0202\-00 \- Fuel Injector 2 Circuit/Open. ? P0203\-00 \- Fuel Injector 3 Circuit/Open. ? P0204\-00 \- Fuel Injector 4 Circuit/Open. ? P0205\-00 \- Fuel Injector 5 Circuit/Open. ? P0206\-00 \- Fuel Injector 6 Circuit/Open. The customer may also notice the following: ? Engine will not start. This TSB is being replaced by recall Y78, please review Y78 for further details.
- [2200122](/bulletins/10228043.md), 2022-12-19, Service bulletin: BACK OVER PREVENTION; LANE DEPARTURE; SERVICE BRAKES, HYDRAULIC; EXTERIOR LIGHTING. TPMS Does Not Read Tire Pressure For The Rear Tires This bulletin involves adding a sales code and performing a restore vehicle configuration. Customers may experience a Malfunction Indicator Lamp \(MIL\) illumination. Upon further investigation the technician may find thefollowing Diagnostic Trouble Code \(DTC\) has been set: C15CE\-31 \- Tire Pressure Sensor 7\-No Signal. Customers may also comment on the following: Instrument Panel Cluster \(IPC\) warning is illuminated for the tire pressure sensors.
- [1810122REVA](/bulletins/10225265.md), 2022-10-31, Service bulletin: BACK OVER PREVENTION; FUEL SYSTEM, DIESEL; ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING; ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE \(ECU/ECM\):SOFTWARE; ELECTRONIC STABILITY CONTROL:AUTOMATIC \(ASC\); FUEL SYSTEM, GASOLINE; EXTERIOR LIGHTING; SERVICE BRAKES, HYDRAULIC. Flash: Powertrain Control Module \(PCM\) Updates This bulletin involves reprogramming the Engine Control Module \(ECM\) / PowertrainControl Module \(PCM\) with the latest available software. Customers may experience a Malfunction Indicator Lamp \(MIL\) illumination. Upon further investigation the technician may find that one or moreof the following DTCs have been set: P0506 \- Idle Control System RPM \- Lower Than Expected. P0299\-00 \- Turbocharger Underboost. P20EE \- NOx Catalyst Efficiency Below Threshold. P1451\-00 \- Diesel Particulate Filter System Performance. P242F\-00 \- Diesel Particulate Filter Restriction \- Ash Accumulation. P2463\-00 \- Diesel Particulate Filter Restriction \- Soot Accumulation Bank 1. P026B \- Injection Timing Performance. P0607\-00 \- ECU Internal Performance. P20E8\-00 \- Reductant Pressure Too Low. P0301\-00 \- Cylinder 1 Misfire. P0302\-00 \- Cylinder 2 Misfire. P0303\-00 \- Cylinder 3 Misfire. P0304\-00 \- Cylinder 4 Misfire. P0305\-00 \- Cylinder 5 Misfire. P0306\-00 \- Cylinder 6 Misfire. P1C54\-00 \- SCR NOx Catalyst Missing. P2706\-00 \- MS Solenoid Circuit \(68RFE Only\). P1D73\-00 \- AGS Performance. P0421\-00 \- Catalyst 1 Efficiency Below Threshold Bank 1. P24A5\-00 \- EGR Cooler Bypass Bank 1 Control Stuck. P21C4\-00 \- Reductant Line Heater Relay Control Circuit High. P2560\-00 \- Engine Coolant Level Low. P2201\-00 \- Aftertreatment NOX Sensor Circuit Performance \- Bank 1 Sensor 1. P0604\-00 \- Internal Control Module Ram. P0607\-00 \- ECU Internal Performance. P0868\-00 \- Line Pressure Low \(Module, Powertrain Control \(PCM\),\(68RFE Only\). P0740\-00 \- TCC Out Of Range. P218F\-00 \- Reductant No Flow Detected. P226C \- Turbocharger Boost Control ?A? Slow Response \(In extreme cold ambienttemperatures\). P061A \- Level 2 Torque Performance. P061B \- Internal Control Module Torque Calculation Performance. P061E \- Internal Control Module Brake Signal Performance. P062C \- Etc Level 2 Mph Performance. P203F \- \(Diesel Exhaust Fluid\) Reductant Level Too Low. P0420 \- Catalyst System Efficien
- [0809420](/bulletins/10223967.md), 2022-10-17, Service bulletin: EXTERIOR LIGHTING; ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM. Flash: Drivetrain Control Module \(DTCM\) Update This bulletin involves reprogramming the DTCM with the latest available software. The customer may experience a Malfunction Indicator Lamp \(MIL\) illumination. Upon further investigation the technician may find the following Diagnostic Trouble Code \(DTC\) has been set::If the customer has any concerns with the transfer case or if the tech performs any repairs on the transfer case, the software must be updated.C140E \- Transfer Case Motor Blocked. If DTC C140E is present, follow normal diagnostic procedures before updating the DTCM.In addition the customer may describe the following:The ?Service 4WD? message/fault is displayed in the Instrument Panel Cluster \(IPC\). Transfer case shift fork tabs broken during range shift. Noisy \(clunking/ratcheting\) transfer case range shifts. Failure to complete transfer case range shifts. The following software enhancement is available:This update will help reduce premature transfer case failure.
- [S2121000008](/bulletins/10223243.md), 2022-10-17, Service bulletin: EXTERIOR LIGHTING. Malfunction Indicator Lamp \(MIL\) Illumination. Diagnostic Trouble Codes \(DTCs\) P0756 ? UD Solenoid Circuit, and/or P0755 ? 2C Solenoid Circuit, Set.
- [1805622](/bulletins/10223193.md), 2022-10-17, Service bulletin: FUEL SYSTEM, DIESEL; ELECTRONIC STABILITY CONTROL:AUTOMATIC \(ASC\); FUEL SYSTEM, GASOLINE; ELECTRICAL SYSTEM; EXTERIOR LIGHTING; ENGINE AND ENGINE COOLING; SERVICE BRAKES, HYDRAULIC; BACK OVER PREVENTION. Flash: Powertrain Control Module \(PCM\) Updates This bulletin involves reprogramming the Engine Control Module/Powertrain ControlModule \(ECM/PCM\) with the latest available software. Customers may experience a Malfunction Indicator Lamp \(MIL\) illumination. Upon further investigation the technician may find that one or moreof the following DTCs have been set: P0506\-00 \- Idle Control System Rpm \- Lower Than Expected. P0607\-00 \- ECU Internal Performance. P20E8\-00 \- Reductant Pressure Too Low. P0301\-00 \- Cylinder 1 Misfire\(Sym Cam only\). P0302\-00 \- Cylinder 2 Misfire\(Sym Cam only\). P0303\-00 Cylinder 3 Misfire\(Sym Cam only\). P0304\-00 \- Cylinder 4 Misfire\(Sym Cam only\). P0305\-00 \- Cylinder 5 Misfire\(Sym Cam only\). P0306\-00 \- Cylinder 6 Misfire\(Sym Cam only\). P0299\-00 \- Turbocharger Underboost. P1D73\-00 \- AGS Performance. P0626 \- Generator Field Control Circuit High. P218F \- Reductant No Flow Detected. P2002 \- Diesel Particulate Filter Efficiency Below Threshold. P24A5 \- EGR Cooler Bypass Bank 1 Control Stuck. P0191 \- Fuel Rail Pressure Sensor Circuit Performance. P0461 \- Fuel Level Sensor 1 Performance. P0401 \- EGR System Performance. P20EE \- NOx Catalyst Efficiency Below Threshold. P061A \- Level 2 Torque Performance. P061B \- Internal Control Module Torque Calculation Performance. P061E \- Internal Control Module Brake Signal Performance. P062C \- Etc Level 2 MPH Performance. P0106 \- Manifold Absolute Pressure Sensor Performance \(In extreme cold ambienttemperatures\). P0116 \- Engine Coolant Temperature Sensor Performance. P0420 \- Catalyst System Efficiency Bank 1. P1507 \- Crankcase Filter Restriction. P20E8 \- \(Diesel Exhaust Fluid\) Reductant Pressure Too Low. P203F \- \(Diesel Exhaust Fluid\) Reductant Level Too Low. P226C \- Turbocharger Boost Control ?A? Slow Response \(In extreme cold ambienttemperatures\). P2579 \- Turbocharger Speed Sensor Circuit. U0101 \- Lost Communication with TCM. U02A3 \- Lost of Communication with PM Sensor. U3017 \- Control Module Timer/Clock Performan

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