Blinking Rear Defroster Light
Greetings from a new forum member.
Last week my 2001 Durango wouldn't start and displayed "No Bus" in the odometer display. My dealer replaced the PCM (under emissions warranty), and the truck starts and runs fine now except the rear-window defroster button light is continuously blinking on and off. Also, the AC switch does not work. If I turn the HVAC control to defrost, the AC compressor kicks in, but I can't use the AC switch to turn on the compressor in other HVAC modes.
The service manager didn't have a clue (it was late in the day and all his 'technicians' had gone home), but he said he remembered old-generation Voyager minivans doing the same thing when their HVAC needed to be "recalibrated".
Anyone have an idea what's causing the rear defroster button to blink on and off, and making my AC switch inoperative?
Thank You!
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2001 Durango SLT+ 4x4 5.9
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