Huge win for car owners! All TSBs to be made public. The Center for Auto Safety just made the NHTSA (US Government) make public the full text of all TSBs from now on. They are the same organization that has petitioned the NHTSA & filed lawsuits to protect car owners over exploding gas tanks & other major safety issues. Whenever you drive in your car, you are safer thanks in part to a lot of work over the years by this small but very effective consumer advocacy group.

Please take a moment & say thank you by donating $5 or whatever you can to the Center for Auto Safety.


hardly worth mentioning
Typical Repair Cost:
No data
Average Mileage:
106,000 miles
Total Complaints:
1 complaints

Most Common Solutions:

  1. not sure (1 reports)
2004 Nissan Altima AC / heater problems

AC / heater problem

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2004 Nissan Altima Owner Comments

problem #1

Jun 012010

Altima 2.5L

  • Automatic transmission
  • 106,000 miles


When I want to defrost the front window, I turn to defrost, or mix, and the defroster works perfectly. When I am done, the Air Conditioner is still engaged, and does not turn off until the key is turned off. I have checked and the A/C is not only cold, it is engaged under the hood.

Is this a computer problem or a relay problem? Everything tells me it is a computer problem, but there are no error codes to read when it happens.

The dealer 5 years ago told me there was no recall, and was going to charge me $120 to troubleshoot. I had the error codes read for free then, and no codes. I used the defrost very rarely because the car was garaged. Now I have moved to a more humid area, and it sits outside and it is used every morning and evening."

- , San Diego, CA, USA

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