2004 Pontiac Montana.I am a law student in
Canada, working on a small claims file for a client
with respect to a 2004 Pontiac Montana she
purchased and has had several problems with. A
few days after it was purchased she took it to a
mechanic and the following codes came up:
C1223 and C1225.
It is my understanding that these codes are related
to the
ABS system. My question is, should/would
these problems have caused the ABS light on the
dashboard to go on?
Answer:
Yes, these codes would turn on the
ABS indicator
on the dash. That is, when the fault occurs. These
2 codes have different criteria that must be met
when the fault occurs for the light to come on and
the code to set.

If the faults happened, and the light came on, but
then the there was a specific number of drive
cycles without the fault, then the light would go out,
the code would remain in the modules memory
(history data) for some time, then after more time, it
would be erased.

Another scenario is that the customer is feeling a
problem with the ABS system, as it seems to buzz
or activate while turning or driving slowly. If it
happens for a period of time shorter than the
requirement for the light, it may not set a light.

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2004 Montana C1223 And C1225 ABS Codes

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