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5.4L V8 Supercharged4WDAUTOMATICgassupercharged
10 active safety recalls on this vehicle — view recalls
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U0076high severityNetwork

Control Module Communication Bus H Shorted To Bus H High

on 2002 Ford F-150 5.4L V8 Supercharged · 4WD

What this code means

The low side of bus H is shorted to the high side, corrupting the data signal. Communication across the network typically stops.

Symptoms

  • Multiple modules offline
  • Warning lights active
  • Erratic behavior

Common causes

  • Bus H wires shorted together
  • Pinched harness
  • Faulty connector
  • Failed control module

Diagnostic steps

  1. Scan all modules
  2. Check for short between bus H high and low
  3. Inspect harness
  4. Repair wiring or replace module

Other Network codes on this vehicle

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