F 250 4WD Super Duty V8-5.4L (2009)
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Are the resistances less than 5 ohms?
Yes
GO to B3.
No
REPAIR the circuit in question. CLEAR the DTCs. REPEAT the network test with the scan tool.
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B3 CHECK THE HS-CAN CIRCUITS BETWEEN THE ABS MODULE AND THE DLC FOR AN OPEN
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Measure the resistance between the ABS module C135-3, circuit VDB04 (WH/BU), harness side and the DLC C251-6, circuit VDB04 (WH/BU),
harness side.
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Measure the resistance between the ABS module C135-18, circuit VDB05 (WH), harness side and the DLC C251-14, circuit VDB05 (WH),
harness side.
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Are the resistances less than 5 ohms?
Yes
CONNECT the negative battery cable. GO to B4.
No
REPAIR the circuit in question. CONNECT the negative battery cable. CLEAR the DTCs. REPEAT the network test with the scan tool.
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B4 CHECK FOR CORRECT ABS MODULE OPERATION
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Disconnect the ABS module connector.
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Check for:
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corrosion
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damaged pins
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pushed-out pins
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Connect the ABS module connector and make sure it seats correctly.
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Operate the system and verify the concern is still present.
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Is the concern still present?
Yes
INSTALL a new ABS module. CLEAR the DTCs. REPEAT the network test with the scan tool.
