P0645 Ford

Ford P0645 OBD-II Trouble Code Definition:

P0645 Air Conditioning Clutch Relay Circuit Malfunction

P0645 Ford OBD-II Trouble CodeDescription:

OBD Trouble Code P0645
A/C Clutch Relay Control Circuit
What does the code mean? OBD-ii Code P0645 definition:
A/C clutch relay may also be referred to as A/C compressor clutch relay. A/C clutch relay circuit is monitored when ignition is on and battery voltage is greater than 10.4 volts.
Symptoms Sumptoms of OBD code P0645
– Engine Light ON (or Service Engine Soon Warning Light)
Causes Causes of the OBD-II code P0645
– Open or short air condition clutch relay circuit – Poor air condition clutch relay electrical connection – Failed air condition clutch relay – Fused Ignition Switch Output Circuit Open The Error code is generally activated on detection of the following conditions: DTC may be stored if an open or short exists in A/C clutch relay control circuit.