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Service bulletins for the 2022 Ram 1500

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.

858 on file from NHTSA, as of 2026-10-19.

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By component

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By topic

Only bulletins with component: Lighting are shown. Show all

Bulletins, newest first
S2308000120 REV.B2024-06-24. Service bulletin. ELECTRICAL SYSTEM; EXTERIOR LIGHTING. Rain Sensing Auto Wipers and Auto on Head Lamps Inoperative
21010242024-03-18. Service bulletin. POWER TRAIN; EXTERIOR LIGHTING; ELECTRICAL SYSTEM. Flash: Transmission Control Module (TCM) Updates Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find the following Diagnostic Trouble Code (DTC): ? P1DB7-00 - Torque Converter Clutch Performance. This bulletin involves reprogramming the TCM with the latest available software.
23004242024-03-18. Service bulletin. EXTERIOR LIGHTING:HEADLIGHTS. Headlamp Condensation Clearing Procedure Some customers may report that on occasion, vehicle exterior head lamp assemblies are fogged with a light layer of condensation on the inside of the lenses.
91002412024-01-08. Service bulletin. EXTERIOR LIGHTING:HEADLIGHTS. FRT RT/LT - LAMP ASSY For moisture / water found in headlamp please review TSB 23-029-23 Headlamp Condensation clearing procedure. If the moisture problem persists: 1. Provide picture of headlamp moisture in headlamp after running the TSB. 2. Check for damage to headlamp lens, housing and flanges. Provide digital pictures of any damage found. Please make sure that pictures show location and severity of the damage is on the part. Please send the pictures along with the VIN, part number and mileage to the following: FCA Redacted Content
23029232024-01-02. Service bulletin. EXTERIOR LIGHTING:HEADLIGHTS. Headlamp Condensation Clearing Procedure Some customers may report that on occasion, vehicle exterior head lamp assemblies are fogged with a light layer of condensation on the inside of the lenses (Fig. 1) . This bulletin is to communicate the procedure for head lamp condensation clearing.
S20250000012024-01-02. 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.
91002412023-10-30. Service bulletin. EXTERIOR LIGHTING:HEADLIGHTS. FRT RT/LT - LAMP ASSY For moisture / water found in headlamp please review TSB 23-029-23 Headlamp Condensation clearing procedure. If the moisture problem persists: 1. Provide picture of headlamp moisture in headlamp after running the TSB. 2. Check for damage to headlamp lens, housing and flanges. Provide digital pictures of any damage found. Please make sure that pictures show location and severity of the damage is on the part. Please send the pictures along with the VIN, part number and mileage to the following: FCA Redacted Content
08121232023-07-31. Service bulletin. EXTERIOR LIGHTING. Technician findings after the repair, the vehicle has one or multiple conditions listed above setting one or more of the Diagnostic Trouble Codes (DTCs) B170B Right Side Reverse Lamp Control Circuit, B16DE Right Tail Lamp Control Circuit, B25B5 External.
08108232023-05-30. Service bulletin. EXTERIOR LIGHTING. Pickup Box Lighting Is Missing Customers may comment one or more of the following: ? Lack of lighting in the pickup box. ? Pickup box bed missing lamps. This bulletin involves installing pickup box lighting.
23029232023-04-17. Service bulletin. EXTERIOR LIGHTING:HEADLIGHTS. Headlamp Condensation Clearing Procedure Some customers may report that on occasion, vehicle exterior head lamp assemblies are fogged with a light layer of condensation on the inside of the lenses (Fig. 1) . This bulletin is to communicate the procedure for head lamp condensation clearing.
S20250000012023-04-17. 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.
08-025-232023-02-13. Service bulletin. EXTERIOR LIGHTING; POWER TRAIN; ENGINE AND ENGINE COOLING. Flash: Hybrid Control Processor (HCP) 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: P1C64 - Hybrid Perf Engine Speed Below Target During Autostart. U0402 - Implausible Data Received From TCM. Customers may also comment on one or more of the following: During an Engine Stop/Start (ESS) event, the autostart fails and the AutoPark engages. Transmission is in Limp Mode. This bulletin involves updating the HCP with the latest available software.
S23180000022023-02-13. Service bulletin. EXTERIOR LIGHTING. Malfunction Indicator Lamp (MIL) Illumination. Intake Manifold Runner Valve Diagnostic Trouble Codes (DTCs) Setting In Extreme Cold Ambient Temperatures.
91000962023-01-17. Service bulletin. EXTERIOR LIGHTING:HEADLIGHTS; EXTERIOR LIGHTING. Base Headlamp Bright, Base Headlamp Black
S21230000572023-01-17. Service bulletin. EXTERIOR LIGHTING:TAIL LIGHTS; EQUIPMENT. Tail lamp Is Tight To The Pickup Box In Upper Inboard Corner
08-093-22 REV. B2023-01-17. Service bulletin. ENGINE AND ENGINE COOLING; POWER TRAIN; EXTERIOR LIGHTING. Flash: Hybrid Control Processor (HCP) Updates This bulletin involves updating the HCP with the latest available software. Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find one or more ofthe following DTCs have been set: U0402-00 - Implausible Data Received From TCM. P1C64 - Hybrid Perf - Engine Speed Below Target During Autostart. In addition, the following software enhancement is available: Engine Stop/Start (ESS) improvements - Improvements to make ESS more smooth/consistent. Customers may complain of rough or inconsistentautostarts. The customer may also describe one or more of the following: Coast down engine idle improvements (related to two-foot driving below 19kph (12 mph). During an ESS event, the autostart fails and the AutoPark engages. Transmission is in Limp Mode.
21-034-222023-01-17. Service bulletin. POWER TRAIN; ELECTRICAL SYSTEM; EXTERIOR LIGHTING. Flash: Transmission Control Module (TCM) Updates This bulletin involves reprogramming the TCM with the latest available software. Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Uponfurther investigation the technician may find that the following Diagnostic Trouble Code (DTC) has been set: P0735 - Gear 5 Shift Incorrect Ratio. Customers may comment on one or more of the following: Low speed tip in bumps/hesitation. Low speed coast down bump in tow/haul mode. The following enhancement is also available: Low speed coast down throttle improvements during hot/cold conditions/faulted HybridControl Processor (HCP) system state.
08166222023-01-09. Service bulletin. AIR BAGS; LANE DEPARTURE; EXTERIOR LIGHTING. Flash: Hybrid Control Processor (HCP) Updates This bulletin involves updating the HCP with the latest available software. Customers may experience a Malfunction Indicator Lamp (MIL) and/or Battery Charge Warning Light illumination. Upon further investigation the technician may find the following Diagnostic Trouble Code (DTC). P0563-00 - System Voltage High.
08045222023-01-09. Service bulletin. EXTERIOR LIGHTING. License Plate Lamp Harness Water Intrusion This bulletin involves replacing the rear bumper wiring harness. The customer may experience the following:There is a potential for water intrusion which over time could lead to an inoperable license plate lamp.
18084222022-12-19. Service bulletin. ELECTRICAL SYSTEM; BACK OVER PREVENTION; EXTERIOR LIGHTING; SERVICE BRAKES, HYDRAULIC. Flash: Powertrain Control Module (PCM) Updates This bulletin involves reprogramming the PCM with the latest available software. Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find that the one ormore of the following Diagnostic Trouble Codes (DTCs) have been set: P0300 - Multiple Cylinder Misfire. P012A - Turbocharger/Supercharger Inlet Pressure Sensor 1. P012B - Turbocharger/Supercharger Inlet Pressure Sensor 1 Circuit Performance. The customer may also experience one or more of the following: Engine idles rough after start. Long crank during engine start. Engine speed dips / engine runs rough when shifting Park to Drive, Drive, to Reverse,Reverse to Drive, or a Park to Reverse after a cold start. Engine stalls during a gear engagement after a cold start.
829732022-12-19. Service bulletin. EXTERIOR LIGHTING:TAIL LIGHTS; EXTERIOR LIGHTING. LAMP - TAIL
18133222022-10-31. Service bulletin. ENGINE AND ENGINE COOLING; EXTERIOR LIGHTING; SERVICE BRAKES, HYDRAULIC; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE:SOFTWARE; FUEL SYSTEM, GASOLINE; BACK OVER PREVENTION; ELECTRICAL SYSTEM. Flash: Powertrain Control Module (PCM) Updates This bulletin involves reprogramming the PCM with the latest available software. Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation, a technician may find one or more of the following Diagnostic Trouble Codes (DTCs) have been set: P2183 - Engine Coolant Temperature Sensor 2 Circuit Performance. P258B - Electric Vacuum Pump Performance. P040F - EGR Temperature Sensor A-B Correlation. P2D2F - Turbocharger-Supercharger -A- Underboost Condition. P0088 - Fuel Rail Pressure Too High. P026D - Fuel Injection Quantity Higher Than Expected. P208B - Reductant Pump 1 Control Performance. P20C6 - Reductant Heater 4 Control Circuit Performance. P016F - Closed Loop Fuel Pressure Control At Limit - Pressure Too Low. P025C - Fuel Pump Module Control Circuit Low. P225D - NOX Sensor 1/1 Performance - Signal Stuck Low. The following software enhancement is available:DTC U148D - Implausible Data Received From Forward Facing Camera, will be disabled in this software update. The customer may also describe the following:The remote start does not work due to MIL on after using engine block heater.Upon inspection the technician will find DTC P2183 is stored with this condition. In addition, the following driveability improvements are available: Increased tip in and tip out torque response. Low speed engine idle improvements. Eliminate idle oscillation in park and drive. Reduce driveline oscillations. 4-LO speed limiter improvements. Decrease engine start time after extended key on to crank.
S21180000152022-10-17. Service bulletin. EXTERIOR LIGHTING. Malfunction Indicator Lamp (MIL) Illumination. Diagnostic Trouble Code (DTC) P0403 ? EGR Control Circuit Open, Set.
S21180000152022-10-17. Service bulletin. EXTERIOR LIGHTING. Malfunction Indicator Lamp (MIL) Illumination. Diagnostic Trouble Code (DTC) P0403 ? EGR Control Circuit Open, Set.
S21230000572022-09-26. Service bulletin. EXTERIOR LIGHTING:TAIL LIGHTS. Tail lamp Is Tight To The Pickup Box In Upper Inboard Corner

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.