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Old 11th August 2014, 11:25 AM
Phil303 Phil303 is offline
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Default Heat and Parking Sensors

Over the last few weeks of hot weather the rear parking sensors have been playing up - the sensors only work about 20% of the time.

Now it's started to cool down the sensors seem to be behaving themselves.

The car often sits unused for a few days parked by the side of the house with the rear of the car facing directly south (and getting the full glare of the sun).

Could the heat be the source of the problem or is it coincidental?
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Old 11th August 2014, 11:51 AM
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ScottD3 ScottD3 is offline
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I'd be tempted to scan it with VCDS, see if a sensor or 2 is throwing up an error and check it out.

It could be the sensor breaking down and the sun is just making it worse.
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Old 11th August 2014, 11:55 AM
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David's8 David's8 is offline
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Well the parking sensor module is in the boot below the CD player etc and so may well suffer from heat exhaustion. Being in Scotland I had the opposite problem - when the temperature was below 5degC it would sound off randomly when manoeuvring at low speed.
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Old 11th August 2014, 12:42 PM
PsYcHe PsYcHe is offline
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Could be a dry joint in the control module. Or a slightly loose connector.
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