Expert Lexus RC transmission service in Chicago. Diagnosis-first inspection, Written warranty terms on rebuilds, all years.
We will contact you as soon as a service member is available by call, text, or email.
2015 - present RC300 (2.0T): 8-speed automatic (AB60F) rear-wheel drive 2015 - present RC350 (3.5L V6): 8-speed automatic (AB60F/A860E) rear-wheel drive or AWD 2015 - present RC F (5.0L V8): 8-speed automatic (AA80E/AB80E) rear-wheel drive; 472 hp RC300h hybrid: e-CVT hybrid drive; no traditional automatic
RC transmission diagnosis uses Toyota Techstream. RC F AA80E/AB80E (also used in IS-F and LC500) has specific calibration requirements - harsh 1-2 is addressed by Lexus software update before mechanical work. WS ATF condition check is universal first step. RC350 shudder follows standard Lexus torque converter protocol. AWD center differential is serviced separately. RC300h requires hybrid-certified diagnosis for hybrid unit complaints. Rev-matching downshift hunting is a software issue addressed by the latest Lexus TCM calibration.
Toyota/Lexus WS ATF for all automatic variants; approximately 9 - 10 quarts; RC300h: Toyota CVT fluid for hybrid transaxle unit
Fluid service: same day; software update: same day; torque converter: 2 - 3 days; valve body: 1 - 2 days; full rebuild: 4 - 6 days
Every vehicle needs diagnosis before anyone can promise a repair path. These are the situations we help organize before you decide what to do next.
Tell us when it happens, whether reverse still works, and if warning lights are on. A scan and fluid check come before guessing at a rebuild.
Fluid condition, leak location, and driving distance matter. If the vehicle is slipping badly or overheating, towing may be the safer next step.
A failed solenoid, valve body, converter, or internal clutch problem can lead to very different repair paths. The goal is a clear diagnosis and written estimate.
The RC F uses the AA80E or AB80E 8-speed automatic - a heavy-duty variant used in the IS-F, LC500, and some high-output Toyota/Lexus models. It is different from the AB60F in the RC350/RC300. The AA80E handles significantly more torque and has different service characteristics.
Harsh 1-2 on the RC F is a documented calibration issue addressed by Lexus software updates. The performance-tuned shift programming was revised for smoother street use while maintaining track response. Update is the first repair step.
Full AA80E/AB80E rebuild: $3,400 - 4,800. Remanufactured unit: $4,000 - 5,800 installed. For software-only issues, the cost is $95 - 150. We always start with diagnosis to determine the least invasive repair.
The same base 8-speed transmission, but the AWD model routes power through a center differential rather than directly to the rear axle. The center differential has its own fluid and service schedule.
Yes - we are hybrid-certified and equipped for RC300h hybrid transaxle service. For RC300h, we evaluate the e-CVT hybrid unit alongside the standard transmission diagnostic.
Appointments scheduled based on availability. Honest estimates, no surprises. We've been doing this Serving Chicago drivers.
