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

ASR/ABS lights on

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Old Mar 18, 2022 | 06:11 PM
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ryansoxfan
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From: Wahoo, NE
Default ASR/ABS lights on

Have a completely stock 95. Just removed the factory sawblades 255/45/17 and 285/40/17 tires. I installed new wheels/tires sized 275/40/17 and 295/40/18. Now my Service ASR, ASR off, and Service ABS lights are on. I realize my rear tires now have a larger diameter. So I have 2 questions.

1. Is there any way to recalibrate the ASR system to work with these tires?
2. Is there any concern to drive it as is?
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Old Mar 20, 2022 | 09:58 AM
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You need to know for sure what codes are set. The speedometer should be off. Tire size is programmed in PCM may a matter of reprogramming. VSS and wheel speed mismatch can set codes
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Old Mar 20, 2022 | 06:54 PM
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My guess is you damaged a sensor or maybe cause one to be come disconnected in replacing the tires. There is no re-calibration that is done with the ETCBM (Electronic Brake Traction Control Module). Also check the fuses, if memory services I think there are some by the ETCBM which is located in the storage space behind the drivers seat (at least that's where mine is in my 96).

Pull the codes too https://tech.corvettecentral.com/201...trouble-codes/

You can drive the car, but just won't have ABS or ASR to kick in should it need too.
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