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Glossary Category:

Auto Stop-Go

The Auto Stop-Go feature is a fuel-saving mechanism that shuts off the engine when the vehicle is at idle, such as at a traffic light. The engine is automatically restarted as soon as the driver takes his or her foot off the brake pedal. The system has a battery pack, and uses a modified alternator [...]

By |2019-03-09T02:30:02+00:00December 25th, 2018|Comments Off on Auto Stop-Go

cab and chassis

"Chassis Cab" is the official designation of trucks Chrysler sells for further customization to particular commercial needs.  The add-ons may be ordered from Chrysler or installed by a 3rd party "Upfitter" Provider.  RAM 5500, 4500, and sometimes 3500's are marketed this way.

By |2019-03-09T02:26:28+00:00December 25th, 2018|Comments Off on cab and chassis


FCM - While the IPM houses all the fuses and relays, the Front Control Module (FCM) handles the logic in directing electrical power throughout the vehicle.  FCMs fail far less frequently than IPMs, so it is a safe bet to address the IPM first.

By |2019-03-09T03:39:03+00:00December 22nd, 2018|Comments Off on FCM


Fuse - A fuse's sole purpose in life is to fail.  Put into electrical circuits, it is designed to burn out when an abnormally high level of current begins passing through the system due to a short or other problem.  It protects downstream electronics from damage (and in extreme cases, from vehicle fires).

By |2019-03-09T02:45:43+00:00December 23rd, 2018|Comments Off on Fuse

HID Headlamps

HID Headlamps HID, or High Intensity Discharge lights utilize Xenon gas to produce a very bright, bluish-white light, while LEDs produce a purer white light, and traditional Halogens a more yellowish light.  The current draw characteristics of HIDs are significantly different than Halogen or LEDs, demanding special consideration in the TIPM design.

By |2019-03-09T02:02:02+00:00March 9th, 2019|Comments Off on HID Headlamps


IPM - IPM stands for Integrated Power Module.  Only after 2006 did Chrysler add "T" for "Totally" and begin referring to the device as a TIPM.

By |2019-03-09T03:35:30+00:00December 23rd, 2018|Comments Off on IPM

Oval Plugs

Oval Plugs - The two center-most plugs on IPMs prior to mid-2003 have an oval shape making them completely incompatible with later, but identically-featured, vehicles.

By |2019-03-09T03:41:37+00:00December 21st, 2018|Comments Off on Oval Plugs

part number

TIPM Part Numbers are in the format, nnnnnnnnAA, (8 numeric digits followed by 2 alphabet characters) and can be found printed on a sticker affixed to the side of the TIPM.  The two trailing alpha characters merely refer to the date of manufacture and are interchangeable.  Your TIPM may or may not include a leading [...]

By |2019-03-09T02:06:49+00:00December 25th, 2018|Comments Off on part number


Relays - Relays are the electronic "On/Off" switches inside the TIPM and are often the problem when vehicle features get "stuck on" or "stuck off".  The relays that most commonly fail are soldered inside the TIPM and cannot be easily swapped by the vehicle owner.

By |2019-03-09T23:09:23+00:00December 21st, 2018|Comments Off on Relay

Square Plugs

Square Plugs - The two center-most plugs on IPMs after mid-2003 have a square shape making them completely incompatible with earlier, but identically-featured, model year vehicles.

By |2019-03-09T03:40:18+00:00December 23rd, 2018|Comments Off on Square Plugs