Chrysler 42RE 4-Speed Electronic Automatic · Chrysler/Dodge/Jeep/RAM · Expert rebuild service since 1987. Lifetime warranty. Free diagnostic.
1994–2003 Dodge Ram 1500/2500 (gas V8); 1993–2003 Jeep Grand Cherokee, Wrangler (4.0L); 1993–2004 Jeep Cherokee; electronically controlled 4-speed
| Configuration | 4-speed automatic with overdrive — electronic shift control version |
|---|---|
| Gear Ratios | 1st 2.74:1 · 2nd 1.54:1 · 3rd 1.00:1 · 4th 0.69:1 · Rev 2.21:1 |
| Fluid Type | Mopar ATF+4 |
| Fluid Capacity | 10.5 qts total, 5.5 qts service refill |
The 42RE uses electronic governor control. Both the solenoid and the pressure sensor fail at high mileage, causing shift quality issues.
Symptoms: P1762/P1765; erratic upshifts; TCC engagement problems
OD band failure under towing loads — same pattern as other Chrysler 4-speed overdrive units.
Symptoms: OD slip; dropout from 4th under load
The electronic solenoid pack (shift solenoids + EPC) fails as a unit at high mileage.
Symptoms: Limp mode; P codes; erratic shift quality
Full disassembly. Governor solenoid and sensor replaced. OD band replaced. Full solenoid pack replaced. All clutch packs and soft parts replaced. Valve body rebuilt.
ATF+4 every 30,000 miles. The 42RE is the electronically controlled upgrade to the 42RH — no mechanical governor, fully computer-controlled shifts.
The 42RE uses fully electronic shift and governor control; the 42RH uses a mechanical governor. The 42RE is more precise in shift timing but has additional electronic failure points.
Governor pressure solenoid performance code. The governor solenoid or sensor is failing. Replacement resolves it — usually runs $200–350 for solenoid, $150–250 for sensor.
Mopar ATF+4.
$1,500–2,100.
2 days.
Free diagnostic, written estimate, lifetime warranty. Chicago's 42RE rebuild specialists since 1987.
