Having the same problem with my '03. Called the dealer, they said bring it in to be checked. I called the parts dept, they didn't stock relay and it would take 2-3 days to get one it. Called the service dept back, asked if they would pre-order relay so I could get it fixed in ONE trip. They said NO, they wouldn't pre-order part, they had to check it out first. Told them about TSB, they still wouldn't pre-order relay (company policy). Since I am already over my 36K warranty, and will have to pay $50.00 deductable anyway, I canceled service appt and ordered one from Patrznet for $48.81 and I will install it myself.

While checking the relay in the relay/fuse box under the hood, I noticed that there were 5 other identical relays used for other systems. I found one for the FR FOG (Front Fog lights) which I don't HAVE to use, and switched them. The A/C now works, no flashing dash indicator. When the new relay arrives, I'll put it in and return the fog light relay to its normal spot.

FYI; The other relays that use the 90987-02022 relay in my '03 are'

#2, FR FOG (front fog lights)
#7, C/OPN (works with fuel pump relay)
#8, DOME (dome light)
#9, EFI (probably electronic fuel injection)
#10, A/F HEATER (Air/fuel ratio sensor)

The relay location is on the bottom of the relay box cover when you remove it to access the relays.

So, If you REALLY need your A/C you can use the FR FOG (if you have fog lights) or the DOME relays in a pinch until you can order the new A/C relay.

PS: After checking wiring diagram manual, I would probably not want to use the DOME relay, it appears to be tied into a lot of interior functions including the theft deterrent system. So the Front Fog relay looks to be the only one you could safely use if needed.