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Thread: 2003 4Runner Brake Booster Noise w/Video
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Old 12-06-2023, 10:28 PM
SocalSam SocalSam is offline
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Join Date: Oct 2023
Location: SFV, Calif.
Posts: 198
SocalSam will become famous soon enough
SocalSam SocalSam is offline
Member
 
Join Date: Oct 2023
Location: SFV, Calif.
Posts: 198
SocalSam will become famous soon enough
2003 4Runner Brake Booster Noise w/Video
My turn for brake booster trouble. 2003 4Runner started making shrieking noise which repeats every 5-10 seconds. Red brake warning light and continuous alarm came on at same time. VSC and ABS lights came on as well. Trouble codes are C1223 and C1252. C1223 is ABS control system malfunction. C1252 is hydo-booster pump motor malfunction. Here is video with audio of noise:

2003 Toyota 4Runner Brake Booster Noise C1223 and C1252 - YouTube

What do you think? Will replacing pump motor solve my problem? Is the 4Runner booster motor found in other Toyota models? Is there deeper problem I need to look for? Thanks in advance!
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