2018-2026 Chrysler Pacifica Auto Start Stop Eliminator | Plug & Play

Fits the 2018–2026 Chrysler Pacifica. The plug-and-play memory harness remembers the position of the stop-start button between drives, so the engine no longer shuts off at the first red light after every restart unless you want it to. It plugs in line with the factory connector named in the instructions, using factory-style plugs on both ends, so nothing is cut or spliced.

The factory button stays in place and still works. Press it and the module stores the new choice. Unplug the module and the vehicle goes back to stock behavior.

Covered model years

This part is listed for these vehicles, all marked 100% fitment match:

• Chrysler Pacifica: 2018–2026

For reference, the Chrysler Pacifica in these years is a minivan offered with 3.6L V6 engines and the plug-in hybrid powertrain. Trim levels are not split out in the table, so confirm that your vehicle has the stop-start button before ordering.

Why the button resets

The factory logic arms Engine Stop-Start (ESS) every time the engine starts. Turning it off with the button only lasts until the engine is shut down. Owners who sit in stop-and-go traffic, tow, or idle in drive-throughs often prefer it off, and that is where the repeated button press comes from.

Installing the plug-and-play memory harness

It plugs in line with the factory connector named in the instructions, using factory-style plugs on both ends, so nothing is cut or spliced. The instructions show the connector for this application; compare it with the product photos before starting. Turn the vehicle off, make the connection, fix the module in place, and test with two or three key cycles.

Diagnostics first

If the setting is not remembered, check that the module was installed with the ignition off and that the connector clicked into place. Then press the factory button once, switch the vehicle off, close the doors, give the electronics time to shut down, and start again. If it still resets, contact support with the year, trim and a photo of the connector.

What changes after installation

• Comes out in the same way it went in, with nothing cut.
• Does not disable warning lights or diagnostic functions.
• Carries your stop-start choice over to the next drive.
• Fuel use changes only the way it would if you pressed the off button yourself.

Where owners notice the difference

Drivers usually switch stop-start off for comfort or habit. A restart at every stop is noticeable in a minivan, the climate system may run at reduced output while the engine is off, and quick moves into traffic feel slower when the engine has to fire first. If those are your reasons, you probably press the button on every drive now. With the module, you press it once.

Things that already block an auto stop

The factory system will skip an auto stop for many reasons: battery charge below its threshold, cold coolant, high climate-control load, a steep grade, the hood or driver door open, or a 4WD or tow mode on vehicles that have them. Those checks stay in control after this module is installed. It does not force stops and it does not bypass any of those safety inputs.

Keep the battery healthy

The module draws its power from the vehicle and does not change charging behavior. If your Chrysler Pacifica sits for long periods, the same rules apply as without it: a maintainer helps, and a battery that tests weak should be replaced with the type specified for stop-start vehicles (usually AGM or EFB).

Confirm these points

• Model year and model match a row in the table above (2018–2026 Chrysler Pacifica).
• Your Chrysler Pacifica has the factory stop-start button. Base trims or engines without stop-start have nothing for the module to remember.
• The connector at your install point matches the one in the product photos.
• No aftermarket remote start, alarm or gateway bypass is wired into the same circuit. If one is, email support before ordering.
• The battery and charging system test good and no warning lights are on.
• If you are unsure, send your VIN to support@automotivebypass.com and we will confirm fitment.

Shipping and support

Free standard shipping covers the contiguous US, with dispatch in 1–2 business days and 3–4 days on the road after that. You have 45 days to request a return (pre-approval required, 20% restocking fee, buyer-paid return shipping). The module is backed by a 3-year limited warranty. For order or fitment questions, write to support@automotivebypass.com between 9 and 5 Pacific, Monday through Friday.