46000 mi

CEL came on, Toyota replaced a sensor under extended warranty (some sensor related to the cooling system).

109700 mi	The main hybrid battery failed. Replaced under 150k warranty.
178700 mi US $717	New muffler

165000 mi	Still a problem. Weird pattern of warning lights including at times the CEL Car still runs just fine but there is a question as to what systems are working correctly. Will report more as this story unfolds.
180000 mi US $40	Car suddenly started to misfire. Check engine light flashed at first then became steady. No problems previously at all. Turned out to be worn spark plugs. I have never known plugs to fail suddenly.

108500 mi US $978

Two cells of the HV battery were not working and all dash lights came on quite unexpectedly. Diagnosis by dealer confirmed HV battery needed to be replaced. Dealer replaced the HV battery and two cables. Toyota covered 70%; I paid 30%.

131300 mi US $691	Check Engine Light came on when Hybrid cooling pump failed. I got a 20% discount on repair as reward for using dealer for maintenance and repair.
153327 mi US $3468	Replace hybrid battery on Prius.

185000 mi US $3665	Replaced high voltage hybrid battery.
195000 mi US $125	Replaced spark plugs at 65,000 miles. One was found to be defective.
243500 mi US $868	While traveling, got error code PO301 (Cylinder 1 misfire). However, there was no evident misfire, loss of power reduced gas mileage. 100,000-mile plugs had 50,000 miles on them. I should have simply replaced one ignition coil. for $68. Since the car had 243,000 miles on it, I went to dealer. They replaced all coils and plugs and cleaned the intake for $868. Car runs exactly the same, which has always been just fine. Color me dumb.

224000 mi US $129	Replaced 3 cells in the traction battery and completed a discharge/ charge "refresh" on all cells and tracked initial voltage, internal resistance and final voltage
227000 mi US $30	Balanced traction battery modal voltages, removed corrosion on copper and nickel plated module connectors and nickel plated them all.

50300 mi US $50

water pump seepage fix and recall work related to acceleration fix (shortening the pedal)

101000 mi US $940

Three way valve in coolant system was stuck. Also, water pump had minor leak. Both were replaced

102000 mi US $350	Water pump leaking coolant, discovered while replacing serpentine belt. Pump replaced.
167200 mi US $3900	Traction battery failing. Red triangle and check engine illuminated, could not accelerate to high speeds. Hybrid battery replaced.

52000 mi	Inverter coolant pump replaced under powertrain TSB warranty
137000 mi US $400	Hybrid battery failure. Rebuild a spare and replaced.

62000 mi US $400

Computer died this time battery car would not shut off transmission kept shifting in neutral while driving all dash lights came on car would not start or shift water pump leaking replaced battery had no brakes!

108160 mi R 90	I took my car to Toyota and they pulled a P3110 "IGCT Relay Malfunction" and a B2799 "Immobilizer Malfunction" code. They reset, checked and cleared everything and the error hadn't occurred since. Cost me $90.
123380 mi R 100	Leaking engine water pump (not the inverter).Replaced along with new V belt
163360 mi R 2500	Main traction battery failed

109000 mi US $1800

Replaced traction battery at 106,000 miles, in March. Used rebuilt battery. I had a surging when first started for the first 5-10 minutes when parked in the direct sun, in very hot weather for 4 years. Trouble code 3-14. New battery eliminated problem.

130000 mi

Needed catyltic convertor, new tires and was losing oil

142000 mi US $100	Replaced idler pulley.
198300 mi US $1000	Hybrid battery failed.

124000 mi

Hybrid battery failed and was replaced under warranty

86098 mi US $375

Hybrid inverter. Already replaced once before in recall, so this is the second time. Inverter Coolant Pump

112000 mi US $3600	Replaced Hybrid Battery
114000 mi US $71	Muffler was noisy. Replaced section of exhaust pipe on muffler.

157000 mi US $124

There was a pinhole leak in the exhaust pipe that's attached to the muffler. The muffler was replaced.

150000 mi US $1500

main Hybrid battery pack needed to be replaced

107000 mi US $1500

Rechargeable hybrid battery

214000 mi US $70

Car occasionally would throw P0011 code especially after a fresh oil change. Narrowed it down to the oil control valve being faulty. Replaced it and car continues to give trouble free miles.

193000 mi US $120	Hybrid cooling valve replace
196000 mi US $300	Replace waterpump

91216 mi US $319	Water Pump was leaking identified on previous periodic maintenance check. REplaced pump and belt
106398 mi US $454	Replaced the engine coolant control valve sensor and coolant.

260000 mi US $60

Replaced downstream O2 sensor.

83500 mi

Main hybrid battery pack failed.

215200 mi US $2300

Was burning oil; about 1 qt/350 miles. Replaced engine.

153000 mi US $1900

Hybrid Battery

10000 mi

vehicle lost power on hwy 680 nothing was done by toyota to fix this

199000 mi US $1750

After nearly 200k, our hybrid battery finally went out.

158000 mi US $250

R/R inverter coolant pump (PA093).

36000 mi

Inverter pump failed.

186000 mi US $2800

Broken rod in engine, presumably due to wear. Entire engine was replaced with used engine (68K) as it was much more expensive to rebuild.

156000 mi US $1497	Water pump was leaking
172000 mi US $1945	Hybrid battery pac needed to be replaced
190000 mi US $150	Hybrid battery replacement from February 2015. Failed and was replaced under warranty

89600 mi US $250

water pump seal was leaking and was replaced

112500 mi US $500

Coolant sensor triggered "check engine" light; replaced

41000 mi

Slow (at the time of repair) coolant leak at the water pump. Water pump replaced under warranty and the leak was fixed.

85000 mi US $330

Needed new H20 pump.

43000 mi	Inverter pump was starting to make a lot of noise at shut down. While my car was being serviced for the recall, I mentioned the problem to the dealership, and there was a tsb out on the problem. They replaced the pump quickly and well.
76000 mi US $340	Coolant Water Pump was replaced as it was weaping coolant.

25000 mi US $887

Clean Throttle Plate Replace Water Pump Replace Belts

5000 mi US $50

Tire press. light came on while driving, stopped and put air in and tried to reset but the light did not go off. More user error- I didn't hold the set button down long enough and they put in a little more air.

120000 mi US $650

Engine water pump was leaking. Had it replaced.

90000 mi US $450	Leaking water pump was replaced by dealer. Requested new serpentine belt since old one had 88,250 on it and there would be no additional labor charge.
206547 mi US $118	Replaced rear muffler/resonator. My original muffler developed a leak.

87000 mi

Recall to replace hybrid inverter coolant pump.

89000 mi US $900

Cracked radiator, leaking water. Water pump, etc repaired/replaced.

35000 mi US $450

CEL on w/ many codes-most caused by aftermarket installation. Xtra time taken for repair to isolate & repair real problem-dirty sensor.

68000 mi US $50

Replace leaking water pump

111000 mi US $3300

Hybrid battery needed replacement. Dealer tried charging me 4400 even though two other dealers had lower quote. Dealer did not lower price until I actually sent a tow to tow it somewhere else! This is even after I talked to manager!

69000 mi

Water pump leakage identified during oil change and lube

60000 mi	Noisy thermos water pump.
119100 mi US $200	Replace muffler - can rusted through, no longer attached to pipe towards resonator.
150000 mi US $60	Slow coolant weeping from internal combustion engine water pump, replaced with OEM (Aisin) part from Amazon plus a gallon of Valvoline Asian Car 50/50 coolant.

79000 mi	Hybrid traction battery failure
119000 mi US $114	Inverter coolant pump faulty per Toyota TSB/recall. Throwing up error messages on the dashboard and about to fail completely. Parts replaced under warranty.

56000 mi	Prius stopped running, but limped to dealership. Main battery and several other items replaced. Cost not disclosed.
58000 mi	To diagnose low gas mileage; reported to be result of higher ethanol levels & not a problem with car; skeptical.
137000 mi US $200	belt replacement required

51000 mi	Hybrid inverter pump broke.
131000 mi US $500	While driving, large, red triangle of death and CEL appeared. Since there are no actual gauges on the car, the red triangle of death was all I had to go by. Called around for repair, only one repair shop (not dealer) answered their phone, and got our business. When we arrived, technician pulled the code, which confirmed the inverter coolant problem. Although busy, took our car and repaired it by the next day. Will be taking it to them next time, if there are any issues in the future.
160000 mi	Cats stolen. State Farm Insurance covered repair. Tow company did not deliver vehicle for two weeks. P0420 after repair.

127700 mi US $140

Serpentine belt replacement. Made noise, dealer said it was fraying.

99500 mi

Hybrid battery defective. Battery was on back order and took over 6 weeks to arrive at dealership

30000 mi US $115	I went in for 30k maintenance and also for squeaky coolant pump under TSB 0087-08, and also a squeaky rear window. They could not replicate either of my problems, and nothing was fixed. I was very disappointed and angry with them for not fixing anything
35000 mi	squealing noise coming from coolant pump. replaced under TSB 0087-08

39200 mi

Mechanic found that the water pump was leaking and replaced it on warrantee.

36000 mi	Coolant transfer pump made high pitched whine on start-up and shut-down, especially in cold weather. Pump replaced under warranty.
121000 mi US $315	Weeping engine coolant pump replaced.
135000 mi US $850	Replaced HV battery due to reduced battery capacity resulting in poor climbing performance.

145000 mi US $4200	Hybrid battery failure
162000 mi US $710	Water pump, $480
247000 mi US $145	Coolant switching valve replaced

85000 mi US $470	Water pump was just starting to leak
120000 mi US $500	Water pump replacement

186620 mi C $100	Changed coupling between muffler and exhaust system (donut)
229400 mi C $50	Patched exhaust pipe from muffler to tailpipe due to corrosion.

203000 mi US $2500

Hybrid Battery died

45000 mi US $135	While in for Oil, Filter, and wheel alignment the technician discovered that the water pump was leaking which also affected several belts. The water pump and belts were replaced under warranty.
59000 mi	water pump was leaking causing a loss of coolant. Car was flatbed towed to dealer for repair.

41000 mi

Noisy coolant recirculating pump. Installed parts.