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Manufacturer communication · Service bulletin

Ram bulletin 18-061-26

What it saysSA Market Only - Flash: Powertrain Control Module (PCM) Updates Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must SYMPTOM: exhibit/set one or more of the following Diagnostic… NHTSA’s full summary ↓

Ram filed this with NHTSA as a service bulletin dated Jul 1, 2026, received Jul 2, 2026, about the engine — 2 documents under this number: 18-061-26 REV. A and 1 more. It names 4 model years (2025–2026). 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
Built on or before 20 Jun 2026 “Built on or before June 20, 2026”

What it applies to, as the document itself states it — the build window in the manufacturer’s own words, read by machine from the PDF NHTSA serves. The build date is on the certification label in the driver’s door jamb; the dealer settles a borderline vehicle by its VIN.

SA Market Only - Flash: Powertrain Control Module (PCM) Updates Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must SYMPTOM: exhibit/set one or more of the following Diagnostic Trouble Codes (DTCs): ● **P0088-00 - Fuel Rail Pressure Too High - Bank 1.** ● P0263-00 - Cylinder 1 Contribution/Balance. ● P0266-00 - Cylinder 2 Contribution/Balance. ● P0269-00 - Cylinder 3 Contribution/Balance. ● P0272-00 - Cylinder 4 Contribution/Balance. ● P0275-00 - Cylinder 5 Contribution/Balance. ● P0278-00 - Cylinder 6 Contribution/Balance. Customers may also comment one or more of the following: ● The engine runs rough and exhibits stumbling and shaking. ● Loss of power. NOTE: The perceived loss of power is due to an insufficient injector/torque response. This bulletin involves inspecting and possibly reprogramming the PCM with the latest available software.

Kind Service bulletin Manufacturer date Jul 1, 2026 Received by NHTSA Jul 2, 2026 Components Engine, Power Train First dated Jun 19, 2026

Documents filed under this number

DocumentKindDatedNHTSA idAt NHTSA
18-061-26 REV. AService bulletinJul 1, 202611034904PDF
18-061-26Service bulletinJun 19, 202611034323PDF

What the document itself lists

Labour operations and the time the manufacturer allows

OperationDescriptionTime
18-19-06-3REngine Control Module (ECM) - Inspect Software Level0.2 hrs
18-19-06-3SEngine Control Module (ECM) - Inspect And Reprogram0.2 hrs

Read by machine from the document NHTSA serves (3 pages), read Sep 29, 2026. A part number is shown only where it matches Ram’s own catalogue shape, an operation only with its code and time, and a description only where the reader got it whole; anything it could not settle is left out, and the PDF is the record. Times are the manufacturer’s warranty allowances, not a quote. Listings and prices on eBay Motors are the seller’s.

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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.

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 4 model years this bulletin names have filed 157 complaints with NHTSA since 2015. 35 of them name Power Train, Engine — 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.

Purchased the truck new with 25 miles on it from the dealer. Within the first 2000 miles, I had a message pop up that said "Service Exhaust System See Dealer". I took it in to the dealer, they said it showed a random emission related code had popped up but was not currently active, so their recommendation was to clear it and see if it…

2026 Ram 3500 · Engine · filed with NHTSA Dec 23, 2025

I own a Ram 2500 (VIN: ) that has experienced a persistent and worsening rough idle. The engine shakes violently at idle, RPMs fluctuate unpredictably, and the vehicle feels as if it may stall. This occurs at stoplights, in traffic, and after warm-up. The vehicle has been taken to the dealership multiple times for this issue.

2026 Ram 2500 · Power Train · filed with NHTSA Feb 8, 2026

The contact owns a 2026 Ram 2500. The contact stated that on three occasions while driving, the vehicle lost power and stalled. The vehicle was towed to her residence. The vehicle was towed to the local dealer but was not diagnosed or repaired. A computer update was previously completed, but the failure recurred.

2026 Ram 2500 · Engine · filed with NHTSA May 12, 2026

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 engine

Source: same model, same component group

58 other manufacturer communications filed against these Ram models under the same component group (engine), newest first. The eight newest are listed; the rest are on the Ram list.

NumberKindDatedNHTSA’s summary
25-004-26Service bulletinSep 23, 2026Exhaust Gas Temperature (EGT) Sensor Water Intrusion ’s VIN MUST be listed in VIP or your RSU VIN list. NOTE: This bulletin applies to ● The…
9100922Service bulletinSep 15, 2026SENSOR Exhaust Temperature If this sensor is being replaced due to an early-life P242B pending fault code, clear the fault code and perform…
07-006-26Service bulletinSep 1, 2026Engine Overheat Customers may comment on the following: SYMPTOM: ● Vehicle overheating. ● Temperature gauge is reading hot. ● Overheat symbo…
114255Service bulletinAug 26, 2026RADIATOR - ENGINE COOLING
114254Service bulletinAug 26, 2026RADIATOR - ENGINE COOLING
9100882Service bulletinAug 17, 2026PULLEY Fan If replacing 68209745AA, also replace 68723388AA, 05086958AB, and 68000833AD. Retain bolts, mark each with its original location…
18-038-26 REV. AService bulletinJul 29, 2026Flash: Powertrain Control Module (PCM) Updates Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle exh…
113744Service bulletinJul 29, 2026SENSOR - TURBOCHARGER SPEED

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 18-061-26 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 18-061-26 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.

Which vehicles does 18-061-26 cover?

The manufacturer filed it against 4 model years: 2026 Ram 2500, 2025 Ram 2500, 2026 Ram 3500, 2025 Ram 3500. Whether one particular vehicle is affected is a matter of its VIN and its build, not its model year alone. The document itself sets the build window: built on or before 20 Jun 2026 — the build date is on the certification label in the driver’s door jamb.