P1276 FORD – Cylinder #6 High to Low Side Open

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P1276 FORD Possible Causes

  • Faulty fuel injector
  • Faulty Injector Driver Module (IDM)
  • Fuel injector harness is open or shorted
  • Poor electrical connection in the fuel injector circuit

How is the P1276 FORD code repaired?

Start by checking the “Possible Causes” listed above. Visually inspect the wiring harness and associated connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector pins.

Possible Symptoms

  • Engine light on (or service engine soon warning light)

P1276 FORD Meaning

The Injector Driver Module (IDM) is capable of detecting individual injector opens and shorts to ground or power while the engine is running. The Injector Driver Module is also capable of detecting opens or shorts to ground in the right or left bank high side circuit. The Diagnostic Trouble Code (DTC) indicates a low to high side open in the circuit between the Injector Driver Module and the injector.

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