P2609 dtc

[THEGREATWHITE01]

Does anyone know why a 06 3/4 would throw this code and how it can be fixed

 

[ramctd]

P2609-NO VOLTAGE DROP SEEN FROM INTAKE AIR HEATERS

When Monitored:
First 15 seconds of engine operation.

Set Condition:
The ECM does not detect a voltage drop on the intake air heater circuit.

INTAKE AIR HEATER OPEN
INTAKE AIR HEATER GROUND OPEN
OPEN BATTERY CABLE FROM INTAKE AIR HEATER RELAY
BATTERY CABLE OPEN
#1 INTAKE AIR HEATER RELAY
#2 INTAKE AIR HEATER RELAY
INTERMITTENT CONDITION

 

[THEGREATWHITE01]

Thank you, but do you know why it would just all of a sudden throw this code?