Search:

Are you logging commanded AFR?

Make sure there is no pe delay, alot of trucks have a delay for pe mode ck B3608 should be 0

now that you said that seems i remember reading that

yeah i seen that i don't think it can calculate at wheels without having something else, like maybe four chanel abs or something, not sure on that one

click on delivered engine torque and then power at flywheel will work ,

does yours have an x across the pid

locate evaporator should have wires coming out of the box somewhere that go to a connector, i'm not at the shop right now so i can't look up the exact location of the connector, but if you can wait...

or click on performance and they are there
system= performance to get pids

go to calculated pids and you can get power at wheels
power_rw

have you scanned it for any codes

I believe the vettes have a evaporator temp sensor, if you pressures are good and switches are good i would look at the evap sensor

its grounding it though the pcm, not the OBD connector, something is keeping your pcm from turning the a/c on if it works with the bidirectional control

ok i tried to reflash original os to pcm and it will flash,but i don't know why it still says 000000000000 on the vin, if i program the vin in scan and then read pcm it shows the vin while it is...

no error codes,car is running like crap also

I just put the vin# in the scan tool and the reread pcm when it was reading on the screen it showed vin but once it was done it showed 0000000 as the vin on cal screen. thanks jason

the vin says 00000000000 i tried to reflash a vin like 6 times with no luck, thanks jason

thanks , joe

a. flashed ok before
b. yes already had os5 running for 3 weeks
c.I have downloaded 7.4 but haven't installed running 7.3
d. car battery went dead while on the lift i think something was on...

My pcm is already licenced and has been working fine, I changed my gears and went to adjust for that and it want let me flash, 1st in said i needed a full reflash so i did that and now it says i need...