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Service bulletin 08-031-20

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 id10175542
Published by NHTSA2020-05-26
Manufacturer's number08-031-20
Manufacturer's date2020-03-06
NHTSA componentELECTRICAL SYSTEM

NHTSA's summary

Missing Upfitter Auxiliary Wiring This bulletin involves adding a jumper wire harness to the rear auxiliary wiring harness. The customer or upfitter may describe the following:The upfitter auxiliary fused wires are not populated on the rear of the chassis wiring harness equipped with Instrument Panel (IP) auxiliary switches. The wires are located on the right side of the rear chassis cross beam, above the fifth wheel.

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

Vehicles listed
RAM 25002019
RAM 35002019

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

Recalls for the same vehicles and component
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.