2021年9月16日 · There is little doubt you need the brake actuator. C1391 Is one of the codes. Obviously a final diagnosis should be made, most likely the dealer will say change it. I would …

C1391 is not one of the codes where that's likely to work for long, though. Not in Gen 3, it turns out: the booster and the master cylinder are the same assembly (whose full official name is …

2017年10月22日 · C1391 I believe was the same code that came up for me too. The solution for my 2010 Prius was a Master Cylinder replacement (however they also replaced the brake …

2018年1月15日 · I have a 2010 Prius with a VIN not in the recall group that got the Brake/ABS C1391 code. After looking at this forum, it looked like it was a $4000+ repair bill. It has …

2018年1月2日 · C1391 is a brake actuator or accumulator problem. I replaced both at the tune of $75 each and 6 hours of Labor.$50 and 6 hours of my life it did the job myself and the dealer …

Customer: 2013 Toyota Prius , brake issues. car throws a code :C1391. replaced brake booster 2 times. starting to believe pump leaking air back into fluid. VIN "EU" Model Mechanic's …

Customer: Received code c1391 for an abnormal leak in accumulator. The brakes have been working fine, and nothing seems to be out of the ordinary when driving or stopping. The brakes …

2016年11月23日 · Just got the C1391 code for abnormal leak in accumulator on my 2013 Prius. I bought one of the Mini VCI cables and grabbed the code through techstream after getting …

The C1391 code on your 2010 Prius indicates an abnormal leak in the brake accumulator pressure, often related to the brake booster and master cylinder assembly. The buzzing sound …

dtc c1391 . read below for most probable causes and click on link to view step by step troubleshoot for this dtc, we have 2 possibilities , leakage in the system or the actuator is bad. …