F 150 4WD V8-4.6L VIN 8 (2010)
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Is the voltage greater than 10 volts?
Yes
REPAIR circuit CBB82 (GN) for an open. TEST the system for normal operation.
No
REPAIR circuit CCB08 (VT/WH) for an open. TEST the system for normal operation.
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AE9 CHECK THE TBC MODULE OUTPUT CIRCUIT FOR A SHORT TO GROUND
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Measure the resistance between the trailer electric brake controller C2142-14, circuit CAT19 (BU), harness side and ground.
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Is the resistance greater than 10,000 ohms?
Yes
GO to AE10.
No
REPAIR circuit CAT19 (BU) for a short to ground. TEST the system for normal operation.
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AE10 CHECK THE TRAILER ELECTRIC BRAKE CONTROLLER OUTPUT CIRCUIT FOR AN OPEN
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Connect a fused jumper wire between the trailer electric brake controller C2142-8, circuit SBB17 (RD), harness side and the trailer electric brake
