Chrysler 545RFE Transmission Repair & Rebuilding
The 545RFE is Chrysler's five-speed automatic (with an additional second-gear ratio used under certain conditions) found in Ram 1500 trucks, Jeep Grand Cherokees, Durangos and Dakotas. Solenoid pack faults and valve body wear are common as these units age. We repair and rebuild 545RFE transmissions in Glendale.
Common applications
- Ram 1500 pickups
- Jeep Grand Cherokee and Commander
- Dodge Durango and Dakota
- Gas V6 and V8 applications
Common problems and symptoms
Frequently a solenoid pack, transmission range sensor or speed sensor fault rather than internal failure.
Clutch wear, low line pressure or a leaking circuit. The affected gear narrows the diagnosis.
Valve body bore wear and degraded fluid are common contributors on higher-mileage units.
Can be a specific clutch failure or a pressure circuit problem. Requires inspection to confirm.
How we diagnose it
- Scan-tool diagnosis including transmission control module codes
- Solenoid pack and sensor electrical testing
- Line pressure testing
- Road test documenting which ratios engage
- Pan and filter inspection
Repair and rebuild options
- Solenoid pack and sensor replacement
- Valve body service or replacement
- Complete rebuild with new clutches, seals and bushings
- Torque converter replacement and cooler flush
- Quick-learn procedure after repair
Vehicles that use this transmission
Common applications: Ram 1500, Jeep Grand Cherokee, Dodge Durango. We confirm the transmission by VIN and tag before quoting any work.
Frequently asked questions
Is limp mode always a failed transmission?
No. On this family, limp mode is often triggered by a solenoid pack or sensor fault that can be corrected without a rebuild. Diagnosis comes first.