WenmarOpen by Wenmar Pro

Service bulletin S2008000186

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 id10224048
Published by NHTSA2022-10-17
Manufacturer's numberS2008000186
Manufacturer's date2020-11-20
NHTSA componentELECTRICAL SYSTEM

NHTSA's summary

Engine Control Module (ECM) Flash Failure, Diagnostic Trouble Code (DTC) U1601 ? ECU Application Software Code 1 Missing Or Corrupted

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

Trouble codes named

U1601

Vehicles listed
RAM 25002019, 2020, 2021
RAM 35002019, 2020, 2021
RAM 45002019, 2020, 2021
RAM 55002019, 2020, 2021

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

Recalls for the same vehicles and component
20230262023-02-09. Electrical
23V0600002023-02-09. ELECTRICAL SYSTEM:WIRING:RELAYS/SOLENOIDS
20216292021-10-14. Electrical
21V7980002021-10-14. ELECTRICAL SYSTEM:WIRING:RELAYS/SOLENOIDS
20211382021-03-11. Electrical
21V1630002021-03-11. ELECTRICAL SYSTEM
20V5110002020-08-27. ENGINE AND ENGINE COOLING:ENGINE:OIL/LUBRICATION; ELECTRICAL SYSTEM:SOFTWARE

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.
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
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.
91008352026-06-18. Service bulletin. Prior to replacing an inoperative passive entry door handle, perform Star Online S2623000040.
S26230000402026-06-16. Service bulletin. Passive Entry Exterior Door Handle Inoperative When Touched To Lock And Or Unlock.
S1623000028 REV.I2026-06-03. 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. A2026-05-20. 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.