Technical Definition:
Intake Air Heater Control Circuit
Trouble Code: P0640
Address: 0x0640
System: Powertrain
Subsystem: Computer and Auxiliary Output Circuits
Address: 0x0640
System: Powertrain
Subsystem: Computer and Auxiliary Output Circuits
Technical Description:
Possible Causes:
Possible Symptoms:
Manifold Intake Air Heater
Possible Solutions:
OBD-II Trouble Code Type:
Diagnostic Step:
Tech Notes:
– Faulty Intake Air Heater
– Intake Air Heater harness is open or shorted
– Intake Air Heater circuit poor electrical connection