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Manufacturer communication · Service bulletin

Dodge bulletin A6B

What it saysCustomer Satisfaction Notification A6B Spark Plugs NHTSA’s full summary ↓

Dodge filed this with NHTSA as a service bulletin dated Jan 9, 2025, received Jan 10, 2025, about the engine — 1 document under this number: A6B Combo. It names 1 model year (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

Customer Satisfaction Notification A6B Spark Plugs

Kind Service bulletin Manufacturer date Jan 9, 2025 Received by NHTSA Jan 10, 2025 Components Engine

Document filed under this number

DocumentKindDatedNHTSA idAt NHTSA
A6B ComboService bulletinJan 9, 202511012799PDF, 351 KB

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.

Email me new Dodge bulletins for the Challenger

A weekly email, sent only in a week when Dodge files something new with NHTSA for the model you pick — service bulletins, campaigns, warranty extensions, over-the-air notices, every model year. Nothing else is sent; one-click unsubscribe in every message. Separate from recall alerts.

What owners reported

Source: NHTSA complaint database

Owners of the 1 model year this bulletin names have filed 43 complaints with NHTSA since 2015. 4 of them name 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.

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

18 other manufacturer communications filed against the Dodge Challenger under the same component group (engine), newest first. The eight newest are listed; the rest are on the Dodge list.

NumberKindDatedNHTSA’s summary
C6C Combo Rev2Service campaignOct 23, 2026CUSTOMER SATISFACTION NOTIFICATION NORTH AMERICA Crankshaft Damper C6C The internal crankshaft vibration damper fasteners on about 345 of th…
C6C Combo REV1Service campaignSep 5, 2026Customer Satisfaction Notification C6C – Crankshaft Damper Dealer Notification
C6CService campaignSep 2, 2026Customer Satisfaction Notification C6C – Crankshaft Damper Dealer Notification
112268Service campaignMay 18, 2026Customer Satisfaction Notification 69C – Vehicle Performance Enhancements - Dealer Notification
18-044-26Service bulletinMar 21, 2026Flash: Powertrain Control Module (PCM) Updates Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle mus…
S2607000002Service bulletinFeb 2, 2026Hemi Water Pump Coolant Leak Inspection
ID-25-14 REV.AWarranty extensionJan 21, 2026ID-25-14 Rev. A ALL Model Years 2019 - 2021 VF, DS, LA, LD and LX with a 3.6L Engine for Camshaft and/or Rocker Arm Replacements
109621Warranty extensionJan 21, 2026D-25-17 Rev. A ALL Model Years 2019 - 2021 VF, DS, LA, LD and LX with a 3.6L Engine for Camshaft and/or Rocker Arm Replacements

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

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

Photo: Christian Buehner / Unsplash

Common questions

Source: NHTSA, 49 CFR 579.5

Is Dodge A6B 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 A6B 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 A6B cover?

The manufacturer filed it against 1 model year: 2023 Dodge Challenger. Whether one particular vehicle is affected is a matter of its VIN and its build, not its model year alone.