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Definition of check engine code P1647:
Chrysler/Dodge/Jeep:
Hydraulic Cooling Fan Control Circuit High
Daewoo:
OVER VOLTAGE
GM:
Driver 1 Line 7
Honda:
Power Command Signal Circuit Low Input,or Power Command Signal Circuit High Input,or Engine Torque Signal Circuit Low Input,or Engine Torque Signal Circuit High Input,or Mode Signal Circuit 1 Low Input
Jaguar:
Linear O2 Sensor Control Chip (Bank 2)
Kia:
Linear 02 Sensor Control Chip (Bank 2)
Volkswagen/Audi:
Please check coding of ECUs in Data Bus Powertrain
Volvo:
Please check coding of ECUs in Data Bus Powertrain
Ford:
LINEAR O2 SENSOR CONTROL CHIP (Bank 2)
