F 250 4WD Super Duty V8-5.4L (2009)
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Measure the resistance between the DLC C251-6, circuit VDB04 (WH/BU), harness side and the DLC C251-14, circuit VDB05 (WH), harness
side.
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Is the resistance less than 5 ohms?
Yes
If the vehicle is equipped with a TBC module, GO to T13.
If the vehicle is not equipped with a TBC module, GO to T14.
No
CONNECT all modules. CONNECT the negative battery cable. GO to T32.
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T13 CHECK THE HS-CAN (+) AND HS-CAN (-) CIRCUITS FOR A SHORT TOGETHER WITH THE TBC MODULE DISCONNECTED
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Disconnect: TBC Module C2142.
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Measure the resistance between the DLC C251-6, circuit VDB04 (WH/BU), harness side and the DLC C251-14, circuit VDB05 (WH), harness
side.
-
Is the resistance less than 5 ohms?
Yes
GO to T14.
No
CONNECT all modules. CONNECT the negative battery cable. GO to T33.
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T14 CHECK THE HS-CAN (+) AND HS-CAN (-) CIRCUITS FOR A SHORT TOGETHER WITH THE RCM DISCONNECTED
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Disconnect: RCM C310b.
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Measure the resistance between the DLC C251-6, circuit VDB04 (WH/BU), harness side and the DLC C251-14, circuit VDB05 (WH), harness
side.
-
Is the resistance less than 5 ohms?
Yes
If the vehicle is equipped with an APIM, GO to T15.
If the vehicle is not equipped with an APIM, GO to T16.
No