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Chris (aka-Moose)
Chris (aka-Moose), Technician
Category: Car
Satisfied Customers: 1080
Experience:  16 years of experience
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Isuzu frr truck replaced ecm check engine light flashing how

Customer Question

isuzu frr truck replaced ecm check engine light flashing how do i program
JA: Does the light stay on, or does it blink?
Customer: blinks
JA: What is the model/year of your Isuzu?
Customer: 2004 frr
JA: Are you fixing your vehicle yourself? What have you tried so far?
Customer: replace computer
JA: Anything else you want the mechanic to know before I connect you?
Customer: i also check all fuses and relays
Submitted: 2 months ago.
Category: Car
Expert:  david craig replied 2 months ago.

Hi Im David, what was the original issue with the vehicle that led you to replace the ecm?

Customer: replied 2 months ago.
connect battery backward burnt ecm
Expert:  david craig replied 2 months ago.

does the vehicle start?

Customer: replied 2 months ago.
no crank no stsrt
Customer: replied 2 months ago.
I replace used ecm from similar truck
Expert:  david craig replied 2 months ago.

so when you turn the key to the run position its blinking?

Customer: replied 2 months ago.
it does blink
Expert:  david craig replied 2 months ago.

did the ecm have the exact same part number?

Expert:  david craig replied 2 months ago.

do you know the part number?

Customer: replied 2 months ago.
not certain information burnt off ecm
Expert:  david craig replied 2 months ago.

off the new one?

Customer: replied 2 months ago.
off old one
Expert:  david craig replied 2 months ago.

do you know the part number on the new one? it should be(###) ###-####

Customer: replied 2 months ago.
no I don't and I won't be until monday
Expert:  david craig replied 2 months ago.

ok, well thats very important, so get back to me when you find out. thanks

Customer: replied 1 month ago.
I got the correct ecm(###) ###-####
Expert:  david craig replied 1 month ago.

ok, then you will need to have it taken to the dealer to have it reprogrammed to your vin.

Customer: replied 1 month ago.
ok
Expert:  david craig replied 1 month ago.

let me know how it turns out. thanks

Expert:  david craig replied 1 month ago.

any update?

Customer: replied 1 month ago.
not yet
Expert:  david craig replied 1 month ago.

ok

Customer: replied 1 month ago.
the dealer said I have to tow truck to him for programming,but he said if it's the right ecm it should work,something else is wrong
Expert:  david craig replied 1 month ago.

you will need to have the computer checked for codes. but i seriously doubt it will give you any since the cel is flashing. do you have a multi meter?

Expert:  david craig replied 1 month ago.

the dealer is going to be wrong here. but to make sure there are no other codes, the computer needs scanned

Expert:  david craig replied 1 month ago.

any update?

Customer: replied 1 month ago.
I'll have to make arrangements to get it to the dealer, maybe in a couple weeks
Expert:  david craig replied 1 month ago.

ok. well im going to opt out since the question will time out before then. sorry i couldnt be more help

Expert:  david craig replied 1 month ago.

if you want to accept the answer and leave a 5 star rating id appreciate it, if not then i dont want a negative rating so ill opt out if thats the case. thanks

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