Flex FWD V6-3.5L (2010)
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Measure the voltage between the TBC module C2142-1, circuit CAT18 (YE/OG), harness side and the TBC module C2142-6, circuit RAT08
(WH), harness side.
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Is the voltage greater than 10 volts?
Yes
GO to AE8.
No
REPAIR circuit RAT08 (WH) for an open. TEST the system for normal operation.
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AE8 CHECK THE TBC MODULE OUTPUT CIRCUIT FOR A SHORT TO GROUND
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Measure the resistance between the TBC module C2142-3, circuit CAT19 (BU), harness side and ground.
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Is the resistance greater than 10,000 ohms?
Yes
GO to AE9.
No
REPAIR circuit CAT19 (BU) for a short to ground. TEST the system for normal operation.
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AE9 CHECK THE TBC MODULE OUTPUT CIRCUIT FOR AN OPEN
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Connect a fused jumper wire between the TBC module C2142-1, circuit CAT18 (YE/OG), harness side and the TBC module C2142-3, circuit
CAT19 (BU), harness side.
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Measure the voltage between the trailer tow C4099-3, circuit CAT19 (BU), harness side and ground.