Thread: Computer Issue
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Old 08-19-2021
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CaptainCummins CaptainCummins is offline
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If there is no communication with anything in the truck, then I wouldn't be jumping at replacing controllers. If the Engine ECM on the block was bad, (And they rarely fail), you would still be able to communicate with the TIPM, SRS, Instrument cluster, etc. I am not sure what ECU would be on the passenger side firewall.

If this happened after the TIPM was replaced, I would suspect an issue with that, either its the wrong one, is configured incorrectly, or there is wiring damaged around the TIPM. TIPM needs to be programmed if I remember correctly.
2012 F-150 Twin Turbo V-6
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