C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

Problem retrieving codes 89 vette

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Old Jan 27, 2011 | 06:28 PM
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Default Problem retrieving codes 89 vette

When I short the A&B pins and turn the ignition on the fan starts to run but no codes are displayed. Any one had simular problem?
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Old Jan 27, 2011 | 06:51 PM
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Does the SES light flash at all?
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Old Jan 27, 2011 | 08:31 PM
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no it doesn"t
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Old Jan 27, 2011 | 10:19 PM
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Originally Posted by JinksEll
no it doesn"t
Does it light up when you turn the key on? ( without jumper )
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Old Jan 28, 2011 | 07:05 PM
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when I open the door "Security" starts to flash. When I turn the key to ON anti lock, low collant and fasten seat belt comes on then goes off. The only thing that stays on is the battery symbol
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Old Jan 29, 2011 | 01:07 AM
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Originally Posted by JinksEll
When I turn the key to ON anti lock, low collant and fasten seat belt comes on then goes off. l
Most likely SES bulb is blown , should light up when key tuned on like the other lights,
The fact your fan runs indicates the ECM has gone into diagnostic mode correctly when you jumpered the ALDL
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