ecm is dead?

Badbwoy · Post by **Badbwoy** » Wed Apr 18, 2012 5:48 am

Diagnostic testing for computer issued the following indicators:

Engine RPM: 9362
Coolant temp: -40

indicators do not change when you try to start the car. as indicators of stuck throttle angle.

but there are no errors on what any of the sensors are not to be.

scd88ga · Post by **scd88ga** » Wed Apr 18, 2012 6:07 am

It's more likely a bad EPROM (chip) within the ECM rather than the whole unit! But yeah, that's kind of funny, it's junk for sure! lol

woody90gtz · Post by **woody90gtz** » Wed Apr 18, 2012 10:23 am

Does it just crank and crank and not start? That's what mine did the ECM died.

Badbwoy · Post by **Badbwoy** » Wed Apr 18, 2012 12:07 pm

No, it starts. but it works very badly.

SuzukiGhostRider · Post by **SuzukiGhostRider** » Wed Apr 18, 2012 7:46 pm

The ECM is dead. It's telling tall tales and running the car like crap...........

Badbwoy · Post by **Badbwoy** » Sun Apr 29, 2012 5:37 am

changed module. problems remain. help me find eprom please.
'88 beretta 2.8
5 gear MT

Badbwoy · Post by **Badbwoy** » Sun Apr 29, 2012 5:59 am

this fit?

http://www.ebay.com/itm/COMPUTER-CHIP-A ... 1838wt_986

woody90gtz · Post by **woody90gtz** » Mon Apr 30, 2012 11:09 am

If it runs the ECM is not dead. It is probably the prom. I had a prom that did not write correctly before and it ran in limp mode. When my ECM died and the prom was ok it would not start.

The chip you listed says it is for an auto, not a manual trans.

scd88ga · Post by **scd88ga** » Mon Apr 30, 2012 8:45 pm

woody90gtz wrote:If it runs the ECM is not dead. It is probably the prom. I had a prom that did not write correctly before and it ran in limp mode. When my ECM died and the prom was ok it would not start.

I swear I already said that 2 weeks ago. lol

Badbwoy · Post by **Badbwoy** » Tue May 01, 2012 4:20 am

Please help me find a suitable chip on a manual transmission. All that I find - for auto.

Badbwoy · Post by **Badbwoy** » Tue May 01, 2012 5:47 am

I found this such chips:

88 GM 2.8 MPFI V6 Vin W Computer Chip PROM ASWA
87 88 GM 2.8 MPFI V6 Vin W Computer Chip PROM ASMT
87 88 GM 2.8 MPFI V6 Vin W Computer Chip PROM ASMU
88 GM 2.8 MPFI V6 Vin W Computer Chip PROM AKDN
87 88 GM 2.8 MPFI V6 Vin W Computer Chip PROM ASMJ

I know what is right for me?

vin code of my beretta: 1G1LV14W1JV614053

woody90gtz · Post by **woody90gtz** » Tue May 01, 2012 9:43 am

I believe you will want a Vin "L" chip. Those appear to be for Lumina/Grand Prix...not Beretta.

Your computer will have a sticker with a code on it to specify your PROM. The ASWA/ASMT, etc. you listed is the PROM ID. Once you find that code you can get a replacement.

Badbwoy · Post by **Badbwoy** » Tue May 01, 2012 10:27 am

I photograph a chip and upload pictures, take a look? Ok?

#1 stunna · Post by **#1 stunna** » Tue May 01, 2012 1:43 pm

I have a chip for 88 2.8 5 speed but it has a stored trouble code.... If nothing else you can get the part number that's listed on my for sale thread http://www.beretta.net/forum/viewtopic.php?f=13&t=9265

woody90gtz · Post by **woody90gtz** » Tue May 01, 2012 3:56 pm

Sounds good Badbwoy. I'll take a look. The sticker with codes should be on the ECM itself and the PROM code should also be on the prom itself visible through the hole on the blue plastic cover.

Stunna, that PN is just for the prom itself...there are many many calibrations that come programmed in to that same PN.

Beretta.net

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