545RFE Solenoid Kit, new and ready to install. Fits the 545RFE. Ships fast from the USA.
If your 545RFE five-speed is stuck in second or third with the check engine light on, refuses to take 5th, or sets a solenoid circuit or pressure switch code, the solenoid pack bolted to the top of the valve body is the first component to test. This kit is a new Mopar 545RFE solenoid pack, and the product photo shows it packaged with a pan filter, the round cooler return filter, a pan gasket and the attaching hardware, so the pack and a full filter service go in during the same pan-off job. Compare the photo against what you need before ordering.
The 545RFE has no shift valves in the usual sense. Its computer builds every ratio by switching individual clutch solenoids and then reading pressure switches in the same pack to prove each clutch actually applied. Transmission Digest's ATSG article on the family lists seven solenoids: line pressure control, underdrive, overdrive, 2nd clutch, 4th clutch, low/reverse and multi-select. Three are normally applied and four are normally vented, which is why an unplugged or shorted pack does not leave you with nothing: it gives you maximum line pressure and a fixed failsafe gear. On the five-speed the same hardware also produces the alternate 2nd (2nd prime) ratio and 5th gear, so a weak overdrive or 4th clutch solenoid tends to show up on the highway long before it causes a no-move. Sonnax lists about 1.3 ohms for each clutch solenoid and 3.5 ohms for the pressure control solenoid.
Pull codes and check the connector before ordering. Chrysler's own diagnostic for P0750 calls it strictly an electrical fault and tells the tech not to replace the valve body for it, so measure each solenoid across the 23-pin connector and look for a burnt pin, a cracked harness or fluid wicking into the plug. A pressure switch code with good solenoid readings may point at a hydraulic leak instead; the Chrysler P0871 procedure lists check balls, a piston seal and the reaction shaft support seal ring as possible causes. Our 45RFE and 545RFE shift solenoid testing guide walks through the resistance values and the scan data to watch, and the valve body testing guide covers what to check when the pack tests good.
This listing is for the 545RFE and does not name a year range, so treat fitment as something to verify, not assume. The 545RFE shares its valve body and solenoid pack design with the four-speed 45RFE, but Chrysler revised the pack over the years; Sonnax notes the overdrive solenoid was dropped on the 2010 and later version. Compare the connector, the bolt pattern and any part number on your old pack with the photo, or send us your year and VIN and we will confirm before it ships. You can see every 545RFE and 45RFE part we carry on the 45RFE / 545RFE collection page, including the dated 2007-2011 545RFE solenoid kit if yours is a later truck.
If the fluid came out dark and full of clutch material, a pack alone will not fix it; look at a 545RFE overhaul kit or a replacement 545RFE valve body instead.
| Fits | 545RFE |
| Part type | Solenoid Kit |
| Condition | New |
| Brand | Mopar |
| Ships | From the USA |
| Warranty | 1-year |
Doing this repair right usually means replacing these at the same time. Same transmission, ships together.
If the limp mode comes from a solenoid circuit fault, a shorted coil or a failed pressure switch inside the pack, yes. Read the codes first: solenoid circuit codes and pressure switch codes with bad resistance readings point at the pack, while a ratio error with good electrical readings usually points at worn clutches or a hydraulic leak.
The two transmissions use the same valve body and solenoid pack design; the 545RFE uses software to add the 5th and 2nd prime ratios. The pack changed during the production run, so match the connector and part number on your old pack, or send us your year and VIN.
ATF+4 only. Do not use a universal or Dexron fluid in a 545RFE.
Yes. Chrysler requires a Quick Learn after a solenoid pack is replaced so the computer relearns clutch fill volumes. Without it the first shifts can be harsh or soft.
The pan filter, cooler return filter and pan gasket, which are shown in the kit photo. Also inspect the case connector and harness for heat damage and replace any cracked or oil-soaked wiring.
