Dodge bulletin 21-020-26 REV. A
What it saysFlash: Transmission Control Module (TCM) Updates Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must exhibit/set one or more of the following Diagnostic Trouble Codes (DTCs)… NHTSA’s full summary ↓
Dodge filed this with NHTSA as a service bulletin dated Oct 3, 2026, received Apr 1, 2026, about the power train — 6 documents under this number: 21-020-26 REV. E, 21-020-26 REV. D, 21-020-26 REV. C, 21-020-26 REV. B and 2 more. It names 1 model year (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 communicationFlash: Transmission Control Module (TCM) Updates Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must exhibit/set one or more of the following Diagnostic Trouble Codes (DTCs): ● P1625-00 - Park Pawl System Failure. ● P2096-00 - Downstream Fuel Trim System 1 Lean. ● P2097-00 - Downstream Fuel Trim System 1 Rich. ● P2098-00 - Downstream Fuel Trim System 2 Lean. ● P2099-00 - Downstream Fuel Trim System 2 Rich. ● P068A-00 - ECM Power De-Energized Performance-Too Early. NOTE: The above DTCs are being falsely set due to lack of robustness to the diagnostic monitor. Customers may also comment on the following: ● Vehicle exhibits a no crank / no start condition. This bulletin involves inspecting and possibly reprogramming the TCM, PCM and ISCM with the latest available software.
Documents filed under this number
| Document | Kind | Dated | NHTSA id | At NHTSA |
|---|---|---|---|---|
| 21-020-26 REV. E | Service bulletin | Oct 3, 2026 | 11038314 | |
| 21-020-26 REV. D | Service bulletin | May 21, 2026 | 11032978 | |
| 21-020-26 REV. C | Service bulletin | May 1, 2026 | 11032326 | not found |
| 21-020-26 REV. B | Service bulletin | Apr 8, 2026 | 11031326 | not found |
| 21-020-26 REV. A | Service bulletin | Apr 1, 2026 | 11031226 | not found |
| 21-020-26 | Service bulletin | Mar 26, 2026 | 11030423 |
What the document itself lists
Labour operations and the time the manufacturer allows
| Operation | Description | Time |
|---|---|---|
| 18-19-17-DA | Inspect PCM, TCM, and ISCM Module Software Level | 0.2 hrs |
| 18-19-17-5J | Module, Powertrain Control (PCM) - Reprogram | 0.2 hrs |
| 18-19-17-5K | Module, Transmission Control (TCM) - Reprogram | 0.1 hrs |
| 18-19-17-5L | Module, Ignition System Control (ISCM) - Reprogram | 0.2 hrs |
Read by machine from the document NHTSA serves (3 pages), read Oct 9, 2026. A part number is shown only where it matches Dodge’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 themA 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 databaseOwners of the 1 model year this bulletin names have filed 5 complaints with NHTSA since 2015. 4 of them name Electrical System, Power Train — 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.
I am filing a safety defect complaint regarding a 2026 Dodge Charger Daytona (400V electric vehicle platform) that suffered a catastrophic high-voltage system shutdown at approximately 1,261 miles. The vehicle had charge remaining and was being prepared for charging when it experienced a forced EV system shutdown and would not restart.
2026 Dodge Charger · Electrical System · filed with NHTSA Feb 24, 2026 · ODI 11720267
The contact owns a 2026 Dodge Charger. The contact stated that the vehicle failed to start after refueling. Another motorist attempted to assist the contact with jumpstarting the vehicle; however, the vehicle failed to start and was towed to a dealer.
2026 Dodge Charger · Electrical System · filed with NHTSA Aug 6, 2026 · ODI 11755271
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 power train
Source: same model, same component group27 other manufacturer communications filed against the Dodge Charger under the same component group (power train), newest first. The eight newest are listed; the rest are on the Dodge list.
| Number | Kind | Dated | NHTSA’s summary |
|---|---|---|---|
| S2621000004 | Service bulletin | Sep 30, 2026 | The Customer May Complain About a Popping Noise, Grinding Noise, or an Intermittent No Reverse or Forward Transmission Engagement. The Tec… |
| 114026 | Service campaign | Aug 12, 2026 | CUSTOMER SATISFACTION NOTIFICATION NORTH AMERICA Powertrain Modules Software Update 80D The powertrain modules software on about 3,300… |
| 114025 | Service campaign | Aug 12, 2026 | CUSTOMER SATISFACTION NOTIFICATION NORTH AMERICA Powertrain Modules Software Update 79D The powertrain modules software on about 36 of the a… |
| 114023 | Service campaign | Aug 12, 2026 | CUSTOMER SATISFACTION NOTIFICATION NORTH AMERICA Powertrain Modules Software Update 74D SYMPTOM DESCRIPTION The powertrain modules software… |
| 18-076-26 | Service bulletin | Aug 8, 2026 | Flash: Powertrain Control Module (PCM) Updates Vehicle does not meet evaporative emissions requirements. This bulletin involves inspecting a… |
| 79D | Service campaign | Aug 1, 2026 | CUSTOMER SATISFACTION NOTIFICATION NORTH AMERICA Powertrain Modules Software Update 79D The powertrain modules software on about 36 of the a… |
| 74D | Service campaign | Aug 1, 2026 | CUSTOMER SATISFACTION NOTIFICATION NORTH AMERICA 74D Powertrain Modules Software Update The powertrain modules software on about 18,900 of t… |
| 08-289-26 | Service bulletin | Jul 30, 2026 | Transmission Control Module (TCM) Diagnostic Customers may experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must S… |
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.
Common questions
Source: NHTSA, 49 CFR 579.5Is Dodge 21-020-26 REV. A 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 21-020-26 REV. A 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 21-020-26 REV. A cover?
The manufacturer filed it against 1 model year: 2026 Dodge Charger. Whether one particular vehicle is affected is a matter of its VIN and its build, not its model year alone.