IS - 2nd Gen (2006-2013) Discussion about the 2006+ model IS models

06 Car wont start, probable cause for these codes at once?

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Old 07-17-19, 11:08 AM
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jjf902
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Default 06 Car wont start, probable cause for these codes at once?

A couple days ago my car needed a jumpstart to get home, tested the battery and it wasn't taking any charge. So I replaced it. Worked fine for a few days. As I was driving yesterday my check VSC and other lights came on. Steering was stiff and the dash lights came on but I made it home. went to start it today to see if it would start but nothing. Tried a jump start. Nothing, besides a buzzing noise from the engine. So I scanned the codes. C1223, C1241, C1381. Since it wont start at all, and even if it did start it probably wouldn't make it to the shop that is a couple streets down. Yesterday was the only day I experienced the check VSC. Is there something to fix, that throws all 3 of these codes at once?

C1223 - ABS CONTROL SYSTEM MALFUNCTION
C1241 - LOW OR HIGH POWER SUPPLY VOLTAGE
C1381 - POWER SUPPLY VOLTAGE OF YAW/ DECELERATION SENSOR

Yaw rate sensor caused all 3 codes?

Thank you in advance, any help is appreciated.

Last edited by jjf902; 07-17-19 at 12:21 PM.
Old 07-17-19, 12:50 PM
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Bichon
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Loss of power steering is a classic symptom of a bad alternator. I'd start there.
Old 07-17-19, 12:54 PM
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jjf902
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Thank you for your reply. Even with the codes it could just be as simple as the alternator?
Old 07-17-19, 12:59 PM
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Bichon
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Yes. Lots of electronic modules in the car stop working properly when they don't have an adequate power source.
Old 07-17-19, 01:19 PM
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jjf902
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Thank you! I'll swap it out tomorrow and see.
Old 07-18-19, 01:53 AM
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xxmariolxx
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Originally Posted by jjf902
Thank you! I'll swap it out tomorrow and see.
Have fun. I just did mine a few weeks ago. I can now do it in probably an hour or so but doing it the first time was a pain in the ***. Hoping that solves your issues though
Old 07-18-19, 06:08 AM
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2013FSport
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When all those computers went below voltage, they threw codes on their dying breath. Hopefully you put a charger on that battery as leaving it dead for days ruins them. Even if brand new!
Old 07-24-19, 11:30 PM
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jjf902
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Originally Posted by Bichon
Loss of power steering is a classic symptom of a bad alternator. I'd start there.
Thank you. It was the alternator.
Old 02-27-20, 01:19 PM
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shelby7
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Originally Posted by jjf902
Thank you. It was the alternator.

did you have a good battery trying to start the car and it still wouldn’t because alt was bad? Or did your battery get low then it wouldn’t?
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