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Service bulletin 1805622

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.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id10220811
Published by NHTSA2022-09-26
Manufacturer's number1805622
Manufacturer's date2022-03-19
NHTSA componentELECTRICAL SYSTEM; ELECTRONIC STABILITY CONTROL:AUTOMATIC (ASC); FUEL SYSTEM, GASOLINE; FUEL SYSTEM, DIESEL; SERVICE BRAKES, HYDRAULIC; ENGINE AND ENGINE COOLING

NHTSA's summary

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

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

Brakes, Driver assistance, Electrical system, Engine, Fuel system

Trouble codes named

P0106, P0116, P0191, P0299, P0301, P0302, P0303, P0304, P0305, P0306, P0401, P0420, P0461, P0506, P0607, P061A, P061B, P061E, P0626, P062C, P1507, P1D73, P2002, P203F, P20E8, P20EE, P218F, P226C, P24A5, P2579, U0101, U02A3, U3017

Vehicles listed
RAM 35002019
RAM 45002019
RAM 55002019

Listing a model year does not mean every vehicle of it is concerned: the document says which.

Recalls for the same vehicles and component
20226132022-10-25. Brakes
22V7590002022-10-11. SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:HOSES, LINES/PIPING, AND FITTINGS
20221082022-03-11. Brakes
22V1400002022-03-10. ELECTRONIC STABILITY CONTROL (ESC); SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP:CONTROL UNIT/MODULE
20216912021-11-12. Fuel System
21V8800002021-11-12. FUEL SYSTEM, DIESEL:DELIVERY:FUEL PUMP
20213602021-06-10. Engine
21V4390002021-06-10. ENGINE AND ENGINE COOLING:ENGINE:OIL/LUBRICATION
21V0230002021-01-26. SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:HOSES, LINES/PIPING, AND FITTINGS
21V0080002021-01-13. SERVICE BRAKES, HYDRAULIC:POWER ASSIST:VACUUM:HOSES, LINES/PIPING, AND FITTINGS

A recall listed here may apply to some of the same vehicles. Only the manufacturer can say whether it applies to one vehicle.

Other bulletins for the same vehicles and component
91009012026-09-17. Service bulletin. Passive Entry O/S Dr Handle Prior to replacing an inoperative passive entry door handle, perform Star Online S2623000040.
1142542026-09-03. Service bulletin. RADIATOR - ENGINE COOLING
1142552026-09-03. Service bulletin. RADIATOR - ENGINE COOLING
1137442026-08-06. Service bulletin. SENSOR - TURBOCHARGER SPEED
1137422026-08-06. Service bulletin. SENSOR - TURBOCHARGER SPEED
1130692026-07-08. Service bulletin. SWITCH – HEADLAMP
1130702026-07-08. Service bulletin. SWITCH – HEADLAMP
1129062026-07-02. Service bulletin. BEARING - CRANKSHAFT THRUST and KIT
1129062026-07-02. Service bulletin. BEARING - CRANKSHAFT THRUST and KIT
S1623000028 Rev. K2026-06-18. Service bulletin. Outside Power Fold Rearview Mirror Noise Or Loose At Pivot. Mirror Contacts Door Window Glass In The Folded Position.