Service bulletin 18-093-22
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 | 10214598 |
| Published by NHTSA | 2022-06-27 |
| Manufacturer's number | 18-093-22 |
| Manufacturer's date | 2022-05-10 |
| NHTSA component | ELECTRICAL SYSTEM; SERVICE BRAKES, HYDRAULIC; ENGINE AND ENGINE COOLING; FUEL SYSTEM, DIESEL; POWER TRAIN |
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: P0299 - Turbocharger Underboost. P0401 - EGR System Performance. P0755 - 2C Solenoid Circuit. P0765 - UD Solenoid Circuit. P244A - Diesel Particulate Filter Differential Pressure Too Low. P20EE - SCR NOx Catalyst Efficiency Below Threshold - Bank 1. P242F - Diesel Particulate Filter Restriction - Ash Accumulation. P1451 - Diesel Particulate Filter System Performance. P2463 - Diesel Particulate Filter Restriction - Soot Accumulation Bank 1. P0607-00 - ECU Internal Performance. P0299-00 - Turbocharger Underboost. P1451-00 - Diesel Particulate Filter System Performance(Sales Code ETL Only). In addition, the customer may notice one or more the following conditions: Idle instability. Air handling bump after startup. Harsh shifts during garage shift tip-in. 2-1-2 gear hunting at low speeds, especially on grades. Driveline ?clunk? ?bump? during D-R and R-D GarageShifts. Harsh 5-3 downshift. 2-1 ERS downshift with exhaust brake on, performance improvement. Intermittent shift bump. The following improvements are also included in this update: Fuel System Run-Up Test routine, wiTECH improvement. wiTECH PCM data improvements. wiTECH cylinder cut-out routine, wiTECH improvement. Oil pressure switch modifications. Urea (DEF fluid) level sensor calibration update, to help prevent bumpsin DEF level gauge.
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, Electrical system, Engine, Fuel system, Transmission and driveline
Trouble codes named
P0299, P0401, P0607, P0755, P0765, P1451, P20EE, P242F, P244A, P2463
| RAM 2500 | 2021 |
|---|---|
| RAM 3500 | 2021 |
Listing a model year does not mean every vehicle of it is concerned: the document says which.
| 2023026 | 2023-02-09. Electrical |
|---|---|
| 23V060000 | 2023-02-09. ELECTRICAL SYSTEM:WIRING:RELAYS/SOLENOIDS |
| 2022644 | 2022-11-10. Powertrain |
| 22V835000 | 2022-11-10. POWER TRAIN:AUTOMATIC TRANSMISSION |
| 2022108 | 2022-03-11. Brakes |
| 22V140000 | 2022-03-10. ELECTRONIC STABILITY CONTROL (ESC); SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP:CONTROL UNIT/MODULE |
| 2021629 | 2021-10-14. Electrical |
| 21V798000 | 2021-10-14. ELECTRICAL SYSTEM:WIRING:RELAYS/SOLENOIDS |
| 2021138 | 2021-03-11. Electrical |
| 21V163000 | 2021-03-11. ELECTRICAL SYSTEM |
A recall listed here may apply to some of the same vehicles. Only the manufacturer can say whether it applies to one vehicle.
| 9100901 | 2026-09-17. Service bulletin. Passive Entry O/S Dr Handle Prior to replacing an inoperative passive entry door handle, perform Star Online S2623000040. |
|---|---|
| 114254 | 2026-09-03. Service bulletin. RADIATOR - ENGINE COOLING |
| 114255 | 2026-09-03. Service bulletin. RADIATOR - ENGINE COOLING |
| 113744 | 2026-08-06. Service bulletin. SENSOR - TURBOCHARGER SPEED |
| 113742 | 2026-08-06. Service bulletin. SENSOR - TURBOCHARGER SPEED |
| 113069 | 2026-07-08. Service bulletin. SWITCH – HEADLAMP |
| 113070 | 2026-07-08. Service bulletin. SWITCH – HEADLAMP |
| 9100841 Rev 1 | 2026-07-02. Service bulletin. If customer concern diagnosis leads to suspect u-joint issue with the prop shaft, u-joint service kit should be utilized to fix concern. Prop shaft replacement would not be required. |
| 112906 | 2026-07-02. Service bulletin. BEARING - CRANKSHAFT THRUST and KIT |
| 9100841 | 2026-07-02. Service bulletin. HD Front and Rear Prop Shafts Increase U-Joint Usage If customer concern diagnosis leads to suspect u-joint issue or failure with the prop shaft, u-joint service kit should be utilized to fix concern. Prop shaft replacement would not be required. |