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I have a 2007 Dodge with engine code P0645, how to fix this code?

Vehicle: 2007 Dodge

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Best answer
Hi there,

This code is for the air conditioning clutch relay circuit. This is usually either a wiring issue to the relay, or the relay itself causing the issue. You need to tackle the wiring and check for any breaks or areas where the wires insulation may have rubbed through
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P0645 DODGE Code - Air Conditioning Clutch Relay Circuit Malfunction
Read more: https://www.autocodes.com/p0645_dodge.html

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