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Master
6,784 Answers
- Posted on Aug 27, 2009
Re: 2004 dodge grand caravan. check eng light.. rotated...
Trouble Code: P0073
Ambient Temperature Sensor Circuit High Input
Possible Causes:
AAT Sensor signal shorted to VREF (5v) or battery voltage
AAT Sensor signal circuit or Sensor ground circuit is open
AAT Sensor is damaged (it may be open)
PCM has failed
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