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

1994 DTC Code 29 EAS Electrical Fault

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Old May 3, 2002 | 04:43 PM
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Default 1994 DTC Code 29 EAS Electrical Fault

Anybody have a clue what this is? I looked in my manual under the ECM codes but it did not list a 29 in my '94 Service manual. Should be in section 4.1 I believe.

Thanks for any help as I can't even think if what the EAS part could be.
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Old May 3, 2002 | 05:51 PM
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Default Re: 1994 DTC Code 29 EAS Electrical Fault (Vette92)

DTC 29 is for the Secondary air injection pump circuit. The PCM is detecting the wrong voltage. Check all of the connections, etc.... :cheers:
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Old May 3, 2002 | 06:15 PM
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Default Re: 1994 DTC Code 29 EAS Electrical Fault (lou sylvestri)

Thanks. I will recheck a few connections. I did remove my AIR pump recently so I may not have got all the connections back on.
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Old May 6, 2002 | 02:31 PM
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Default Re: 1994 DTC Code 29 EAS Electrical Fault (Vette92)

I am not sure why my '94 book did not list the code 29, but it turned out to be a connection at the AIR pump that I had missed when I put it back in.

Thanks again.

Chris
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