Acura · UB1 · 2015–2020
TLXbuyer's guide
10 known faults — inspection procedures and real repair costs.
The UB1 TLX is an attractive sport sedan at used prices, but two faults separate the good ones from the expensive ones. Automatic/CVT shudder or delayed engagement is the headline risk — $900–$5,500 depending on whether it needs a fluid service or a full rebuild. Engine oil consumption or leak runs a close second at up to $4,500 if timing or internal damage is involved. Neither announces itself loudly during a short warm test drive.
This guide covers ten faults on the UB1: automatic/CVT shudder or delayed engagement, engine oil consumption or leak, coolant leak or overheating, AC compressor or condenser failure, infotainment/camera electrical faults, suspension knocks and tyre wear, brake pulsation or seized caliper, water leak or accident repair, ADAS/radar calibration fault, and recall/campaign status. Each fault has a field check and a real repair-cost range.
A clean 2018–2020 UB1 with a cold-start that settles quickly, steady oil level and a full module scan is a good used buy. One with a shuddering gearbox cold and a seller who calls it normal is not.
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