Service bulletin 1801120
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 | 10229337 |
| Published by NHTSA | 2023-01-09 |
| Manufacturer's number | 1801120 |
| Manufacturer's date | 2020-07-16 |
| NHTSA component | ELECTRICAL SYSTEM; POWER TRAIN |
NHTSA's summary
Flash: Powertrain Control Module (PCM) Updates This bulletin involves reprogramming the PCM with the latest available software. Customers may experience the following: A hesitation or rough feeling during engine-starting. Extended or longer than usual engine crank time. This conditions usually happens after a cold engine start and the vehicle is turnedoff and turned on within 3-5 minutes this will result in an extended or longer crank than usual before the vehicle restarts.
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
Electrical system, Transmission and driveline
| RAM 1500 | 2020 |
|---|
Listing a model year does not mean every vehicle of it is concerned: the document says which.
| 25V298000 | 2025-05-08. AIR BAGS; ELECTRICAL SYSTEM:WIRING |
|---|---|
| 2020401 | 2020-08-28. Powertrain |
A recall listed here may apply to some of the same vehicles. Only the manufacturer can say whether it applies to one vehicle.
| S2621000004 | 2026-10-07. Service bulletin. The Customer May Complain About a Popping Noise, Grinding Noise, or an Intermittent No Reverse or Forward Transmission Engagement. The Tech May Find Damaged and/or Worn Transmission Output Shaft Splines (850RE Transmission Only) |
|---|---|
| 114072 | 2026-08-26. Service bulletin. MOTOR - WINDOW REGULATOR |
| 114073 | 2026-08-26. Service bulletin. MOTOR - WINDOW REGULATOR |
| S2608000033 | 2026-07-23. Service bulletin. Cluster Message “To Operate Tailgate Shift to Park” Vehicle is In Park |
| 113069 | 2026-07-08. Service bulletin. SWITCH – HEADLAMP |
| 113070 | 2026-07-08. Service bulletin. SWITCH – HEADLAMP |
| S1623000028 Rev. K | 2026-06-18. Service bulletin. Outside Power Fold Rearview Mirror Noise Or Loose At Pivot. Mirror Contacts Door Window Glass In The Folded Position. |
| S1623000028 REV.I | 2026-06-03. Service bulletin. Outside Power Fold Rearview Mirror Noise Or Loose At Pivot. Mirror Contacts Door Window Glass In The Folded Position. |
| 08-208-26 REV. A | 2026-05-20. Service bulletin. Radio Message "Power Surge On USB Detected" Customers may comment on the following: ● The radio displays the message: “Power surge on USB hub detected” Fig. 1. NOTE: After the message appears, no USB devices function in the hub (no charging, no data). NOTE: Hub operation does not return until the vehicle undergoes a full key cycle. |
| 08-208-26 | 2026-05-20. Service bulletin. Radio Message "Power Surge On USB Detected" Customers may comment on the following: ● The radio displays the message: “Power surge on USB hub detected” Fig. 1. NOTE: After the message appears, no USB devices function in the hub (no charging, no data). NOTE: Hub operation does not return until the vehicle undergoes a full key cycle |