Jeep bulletin 0803123
What it saysFlash: Hybrid Control Processor (HCP) and Auxiliary Hybrid Control Processor (AHCP) Updates **Customers may experience a Malfunction Indicator Lamp (MIL) illumination. NHTSA’s full summary ↓
Jeep filed this with NHTSA as a service bulletin dated Nov 1, 2023, received Jan 16, 2024, about the exterior lighting. It names 1 model year (2022). 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: Hybrid Control Processor (HCP) and Auxiliary Hybrid Control Processor (AHCP) Updates **Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find the following Diagnostic Trouble Code (DTC) has been set in the Hybrid Control Processor (HCP) module: ? P16F0-00 - SPI Comm Hardware Fault. Customer may experience one or more of the following: ? Unexpected engine start during a crank (customer is expecting EV mode but the gas engine starts).** ? ?Service Charging System? popup when keying the vehicle to off while still in drive. ? Engine must be started twice to achieve drive ready (at low temperatures around 30°C, 22°F) when the vehicle was entered and started quickly. ? Radiator fan cycling while in park and with vehicle operational. May be described as ?breathing? sound from the front of the vehicle. ? "Performance Limited, Service Fuel System? popup while driving. ? Radiator fan spinning at max speed while charging. The vehicle is providing max cooling when the charging module reaches high temperature. May be described as a loud sound that disappears when the vehicle is unplugged. ? Poor cabin heat in electric mode. ? Temporary loss of cabin cooling (<5s) while driving in electric mode. ? State of Charge (SoC) dropping lower than expected while in eSave Battery Charge mode. ? Turtle mode while refueling in hot ambient. ? Unable to enter electric mode driving while FORM is active. This bulletin involves reprogramming the HCP and AHCP or also known as Power Inverter Module (PIM) with the latest available software. NOTE: Additional module flashes are required for this update to be effective. The following modules are all to be updated along with this HCP and AHCP update: ? Powertrain Control Module (PCM). ? Transmission Control Module (TCM).
Document filed under this number
| Document | Kind | Dated | NHTSA id | At NHTSA |
|---|---|---|---|---|
| 0803123 | Service bulletin | Nov 1, 2023 | 10248915 | not 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.
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 496 complaints with NHTSA since 2015. 317 of them name Electrical System, Power Train, Fuel/Propulsion System — 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 2022 Jeep Grand Cherokee, the 18 owners who gave an odometer reading for Electrical System reported it at a median of 20,900 miles. That figure is one model year’s, not the whole range this bulletin covers — medians from different model years are not averaged.
Randomly, and without warning, the instruments, gauges, and displays will switch into a language I do not speak or understand (Italian). Coinciding with the switch to Italian language, cluster and radio display settings revert back to default settings, auto door locks and paddle shifter becomes inoperative (with no menu to enable)…
2022 Jeep Grand Cherokee · Electrical System · filed with NHTSA Aug 4, 2025 · ODI 11678139
In depth: 2022 Jeep Grand Cherokee electrical problems → · 2022 Jeep Grand Cherokee transmission and drivetrain 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 exterior lighting
Source: same model, same component group6 other manufacturer communications filed against the Jeep Grand Cherokee under the same component group (exterior lighting), newest first.
| Number | Kind | Dated | NHTSA’s summary |
|---|---|---|---|
| S2408000006 | Service bulletin | Jan 20, 2024 | High Beams Do Not Turn on While the Headlamp Switch Is Set to The Auto Lights on Position, High Beam Headlamps Do Operate with Switch Set… |
| 2300424 | Service bulletin | Jan 17, 2024 | Headlamp Condensation Clearing Procedure Some customers may report that on occasion, vehicle exterior head lamp assemblies are fogged with… |
| 0801124 | Service bulletin | Jan 9, 2024 | Flash: Battery Pack Control Module (BPCM) Diagnostic and System Updates Customers may experience a Malfunction Indicator Lamp (MIL) illumi… |
| 0801024 | Service bulletin | Jan 9, 2024 | Flash: Battery Pack Control Module (BPCM) Diagnostic and System Updates Customers may experience a Malfunction Indicator Lamp (MIL) illumi… |
| S2323000063 | Service bulletin | Aug 4, 2023 | Outer Tail Lamp Front Edge Has A Gap To The Quarter Panel Or Tail Lamp Appears Loose. |
| 0811123A | Service bulletin | Jun 10, 2023 | Flash: Integrated Dual Charging Module (IDCM) Enhancements Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon f… |
Quote the number at the service desk. It is what the dealer’s system is keyed on.
Every manufacturer communication NHTSA holds for Jeep, by the number printed on the letter.
Common questions
Source: NHTSA, 49 CFR 579.5Is Jeep 0803123 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 0803123 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 0803123 cover?
The manufacturer filed it against 1 model year: 2022 Jeep Grand Cherokee. Whether one particular vehicle is affected is a matter of its VIN and its build, not its model year alone.