[Gmecm] gm 92 riv prom chip

[Scott Pearson]

The mileage is stored in the EEPROM in the BCM.

It really sounds like he needs an EEPROM, but that's just a guess without 
actual testing.

Scott

----- Original Message ----- 
From: "Jay Vessels" <jay at vessels-clan.com>
To: <gmecm at diy-efi.org>
Sent: Monday, July 30, 2007 10:29 PM
Subject: Re: [Gmecm] gm 92 riv prom chip


> Hi there!
>
>> i have been told by others the eeprom is bad
>> digital dash works except the odometer]eter
>> it reads ERROR EVERYTHING ELSE runs/is fine
>> trip meter reset works fine. THE metric/english setting works fine as an 
>> ex.
>> I cannot inspect thus vehicle in PA w/no odometer reading!
>
> That's not the PROM in the ECM.  That's the EEPROM which is either in the 
> instrument panel cluster or the BCM (don't remember but I suspect it's in 
> the IPC).
>
> I think someone on this list had a Toronado (an E-body like your Riv) who 
> may have knowledge on the EEPROM.  Unfortunately, I don't think it's as 
> simple as replacing the EEPROM, so you may be facing either having the IPC 
> rebuilt by GM (who apparently still services them according to a 
> conversation on a J-body list), or by one of the aftermarket rebuilders.
>
> Jay Vessels
> 1982 Chevrolet S-10 Sport, 2.8V6 TBI
> 1984 Chevrolet S-10 Blazer Sport, 2.8V6 (TBI pending)
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