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Federal filingsHome›Bulletins›Ram› S2308000042
Manufacturer communication · Service bulletin

Ram bulletin S2308000042

What it saysEPS And Other CAN C Modules Offline, U0001-00, U0002-00, and U0131-00 Can C Bus Diagnostic Trouble Codes (DTCs). NHTSA’s full summary ↓

Ram filed this with NHTSA as a service bulletin dated Aug 3, 2023, received Sep 25, 2023, about the steering — 2 documents under this number. It names 5 model years (2019–2023). A service bulletin is not a safety recall: it is the manufacturer telling its dealers how to diagnose or repair a condition, and whether the work is paid for depends on the warranty in force. Quoting the number at a service desk can save a diagnosis.

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What the bulletin says

Source: NHTSA's summary of the manufacturer's communication

EPS And Other CAN C Modules Offline, U0001-00, U0002-00, and U0131-00 Can C Bus Diagnostic Trouble Codes (DTCs).

Kind Service bulletin Manufacturer date Aug 3, 2023 Received by NHTSA Sep 25, 2023 Components Steering, Equipment First dated Jul 18, 2023

Documents filed under this number

DocumentKindDatedNHTSA idAt NHTSA
S2308000042Service bulletinAug 3, 202310243138not found
S2308000042Service bulletinJul 18, 202310242756not found

The summary is NHTSA’s abstract of the document, as filed under 49 CFR 579.5. One communication is usually filed as several documents — the bulletin, a dealer notice, an owner letter — and the number on any of them finds this page. A PDF link is shown only once NHTSA’s own server has been seen to serve that document; the rest are checked over the following nights. Quote the number at a service desk; it is what the dealer’s system is keyed on.

Doing the repair yourself, or pricing it before the shop does? Search the part by fitment on eBay Motors — the listing and the price are the seller’s.

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Model years it names

Source: as the manufacturer filed them

A vehicle page’s bulletin list shows the newest few communications filed against that model year; the count there is every one.

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What owners reported

Source: NHTSA complaint database

Owners of the 5 model years this bulletin names have filed 3,669 complaints with NHTSA since 2015. 405 of them name Steering — the same broad component group this bulletin is filed under. NHTSA groups complaints coarsely, so that means the same area of the vehicle, not necessarily the same fault.

On the 2019 Ram 1500, the 161 owners who gave an odometer reading for Steering reported it at a median of 19,318 miles. That figure is one model year’s, not the whole range this bulletin covers — medians from different model years are not averaged.

I was driving down interstate i95, when I got an alarm on my dashboard saying my power steering was unavailable, and I had no power steering, I took my truck to the dealer and they checked for loose wires and changed the PCM module and the battery sensor, my truck has been there 3 times as this last from anywhere from 10 seconds to 10…

2019 Ram 1500 · Steering · filed with NHTSA Dec 26, 2018 · ODI 11163483

At 10221 mileage totally lost the steering and at that time indicator displays "Power Steering Unavailable, Service Required". Lost control of vehicle. Stopped and re-started engine and indicator was off and steering returned for right hand turns.. Very difficult to turn left.

2021 Ram 1500 · Steering · filed with NHTSA May 18, 2021 · ODI 11417682

In depth: 2019 Ram 1500 steering problems →

A complaint is one owner’s account, not a defect finding, and a bulletin is not a recall. Nothing here says this bulletin was issued because of these complaints, or that the repair it describes fixed them. Complaint files on this site begin in 2015.

More bulletins about the steering

Source: same model, same component group

12 other manufacturer communications filed against the Ram 1500 under the same component group (steering), newest first. The eight newest are listed; the rest are on the Ram list.

NumberKindDatedNHTSA’s summary
08-149-26 REV. AService bulletinOct 6, 2026Flash: Electric Power Steering (EPS) Module Updates Customers may experience the following: SYMPTOM: ● Battery drain due to the EPS system s…
113672Service bulletinJul 23, 2026GEAR KIT - RING AND PINION
S2608000016Service bulletinApr 17, 2026Heated Steering Wheel Operates Intermittently
S2623000009Service bulletinFeb 18, 2026Buzz Squeak Rattle (BSR) Noises Turning The Steering Wheel. May Occur After Recent Repair.
S2519000010Service bulletinOct 24, 2025Steering Pull That Improves As The Truck Is Driven. Vehicle May Have Had Recent Steering Or Suspension Repair.
9100575Service bulletinMay 20, 2025Gear rack and pinion: Custodian would encounter steer feel being heavier and may feel some pulling. Customer may complain the steering feel…
S2519000001Service bulletinFeb 25, 2025Steering Drift And Or Pull.
9100487Service bulletinJan 15, 2025MODULE Steering Control Before replacing the steering column control module (SCCM) due to turn signal inop, wipers inop, steering controls i…

Quote the number at the service desk. It is what the dealer’s system is keyed on.

Every manufacturer communication NHTSA holds for Ram, by the number printed on the letter.

Photo: Christian Buehner / Unsplash

Common questions

Source: NHTSA, 49 CFR 579.5

Is Ram S2308000042 a recall?

No. A service bulletin is a manufacturer communication filed with NHTSA under 49 CFR 579.5; a safety recall carries an NHTSA campaign number (two digits, a letter, six digits) and a federal duty to repair for free. Check the vehicle’s recalls by VIN at nhtsa.gov/recalls, or on its page here.

Is the S2308000042 repair free?

Not automatically. A service bulletin describes how to diagnose or repair a condition; who pays depends on the warranty in force, any extension, and the dealer. Quoting the number can save a diagnosis either way. Every Stellantis warranty extension on file lists the ones Stellantis has filed.

Which vehicles does S2308000042 cover?

The manufacturer filed it against 5 model years: 2023 Ram 1500, 2022 Ram 1500, 2021 Ram 1500, 2020 Ram 1500, 2019 Ram 1500. Whether one particular vehicle is affected is a matter of its VIN and its build, not its model year alone.