Checks, in order
- Scan for codesA converter clutch code such as P0741 or a converter circuit code such as P2769 tells you whether the computer already sees the problem. No codes does not rule out a mild shudder.easy $ · under about $50
- Fluid level and conditionCheck the level using the procedure in the manual, which is temperature dependent. Dark, burnt-smelling or varnish-looking fluid is the first thing to correct.medium $ · under about $50
- Drain and fill with WS fluidUse only the Toyota WS-spec fluid. One drain-and-fill replaces only part of the fluid, so some owners repeat it once or twice. Toyota also has bulletins for handling WS fluid, so follow the procedure.medium $$ · about $50 to $500
- Rule out an engine misfire or tire issueA misfire at light load or an unbalanced tire can feel exactly like a converter shudder. Check for misfire codes and the road-force balance before blaming the transmission.easy $ · under about $50
- Shop diagnosisIf the shudder continues after fresh fluid, the converter clutch or the solenoids need testing. Go to a transmission shop that works on Toyota automatics.hard $$$ · shop-level job, $500+
Applies to: US-market FJ Cruiser, 2007 to 2014, with the 1GR-FE 4.0L V6 (timing chain) and either the 5-speed automatic or the 6-speed manual. Assumes the part-time 4WD model with a floor-mounted transfer case lever; 2WD trucks skip the 4WD checks.
Tools and parts for these checks
Links below are affiliate links: toyotadata earns a commission from VEVOR and, as an Amazon Associate, from qualifying Amazon purchases, at no extra cost to you. Confirm fitment for your exact truck before you order.
| ITEM | USED FOR | BUY |
|---|---|---|
| Automatic transmission fluid for your truck | Topping off or changing to the factory fluid type | Shop on Amazon |
| ATF fill pump with transmission adapters, 8 L | Filling fill-and-check transmissions through the fill plug | Shop on VEVOR |
| Bluetooth OBD2 scanner with live data | Reading and clearing codes and watching live sensor data | Shop on Amazon |
Go deeper
More FJ Cruiser problems
- Rust on the frame, especially at the rear crossmember (Frame & Body)
- Clunk or thump from the rear when coming to a stop or pulling away (Drivetrain)
- Steering wheel shimmy or flutter at highway speed (Steering & Suspension)
- Vibration that changes with vehicle speed, felt in the seat or floor (Drivetrain)
- Oil leaking from the rear differential, or whining, howling or grinding from the rear axle (Drivetrain)
- 4WD will not engage, or the A-TRAC / VSC lights come on (Drivetrain)
All 16 FJ Cruiser symptoms in the interactive troubleshooter →
General guidance from owner experience. Confirm torque specs, fluid capacities and procedures in the factory service manual. Brakes, steering and anything structural: if in doubt, have a qualified shop inspect it before driving.