GX - 1st Gen (2004-2009) Discussion topics related to the 2003 -2009 GX470 models

GX470-C1241 and C1223 codes

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Old 07-19-15, 12:37 PM
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brich24
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Default GX470-C1241 and C1223 codes

C1241 is low voltage warning and C1223 is an ABS control system malfunction.

Are or could these be related? Where should I start to troubleshoot the issue?
Old 07-19-15, 02:24 PM
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chiph9
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How old is your battery? If you measure the voltage on the terminals while it's running, what do you read? And again with the engine stopped?

Chip H.
Old 05-23-16, 07:03 PM
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KDAWG97M3
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So I have the same codes...replaced my battery as it was the culprit...still have the codes, plus a new one.has to do with yaw rate and steering angle??! Any body have a clue? 2005 Gx470. Thanks
Old 05-24-16, 07:04 AM
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chiph9
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Check the condition of the ground straps.

Chip H.
Old 05-24-16, 09:32 AM
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techrep
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could be the alt going out !!
Old 05-27-16, 06:36 AM
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chitown40
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I believe you may need to do a Zero Point Calibration.

http://www.toyota-4runner.org/5th-ge...libration.html
Old 05-27-16, 11:42 AM
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sheikhmax
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Default Repair Manuals for the Codes

While I am still searching for my P0010 i came across your DTC Codes. See the Toyota Factory repair manuals. They don't make sense to me but will to someone who is more knowledgeable in Car Tech.

Hope it helps some what.
Attached Files
File Type: pdf
C1223 ABS VSC.pdf (76.5 KB, 1824 views)
File Type: pdf
C1241-Brake Control VSC.pdf (126.5 KB, 1468 views)
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