DTC 21, 24, 25 AND 2A CRUISE CONTROL MODULE BUILT-IN RELAY, CPU RAM
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DTC 21, 24, 25 AND 2A
CRUISE CONTROL MODULE BUILT-IN RELAY, CPU RAM
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DIAGNOSIS:
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Poor welding
of built-in relay of cruise control module.
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Failure of built-in CPU RAM of cruise control module.
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TROUBLE SYMPTOM:
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Cruise
control is canceled and memorized cruise speed is also canceled.
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Once cruise control is canceled, cruise control cannot
be set until the ignition switch and curise control main switch turns
OFF, and then turns ON again.
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Note
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Check input/output signal
and vehicle speed signal with Vehicle
Diagnostic Interface. When signals are in good condition, failure
is in cruise control module. (Check the power supply and ground
conditions of cruise control module.)
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