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

H64 confusion

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Old Sep 10, 2022 | 08:51 AM
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Default H64 confusion

92 vert LT1 I have a H64 in module 9.
FSM shows 64 as right o2 sensor, after a lot of searching, I found a post that says mod 9 64 is the TPS
According to the FSM 33 is the TPS code
Its H64 which, I think, its a historical code, but I cant seem to reset it, I tried the manual CCM method and neg battery disconnect


Any insight would be helpful

thanks
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Old Sep 10, 2022 | 09:28 AM
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Reread the CCM section of your FSM, study again Mode 9 for ABS/ASR codes. 64 is a valid ABS/ASR code.
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Old Sep 10, 2022 | 02:26 PM
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Figured it out, following wires found the TPS mod (under blower motor) had the connector halfway out( not seated properly) reseated the connector and I was able to reset the 64 code. only time will tell if that keeps the code away
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