P1392 FORD - Glow Plug Circuit High Input Bank 1

Repair Importance Level: 3/3
Repair Difficulty Level: 2/3  What does this mean?

P1392 FORD Possible Causes

  • Faulty glow plug relay
  • Faulty glow plug shunt
  • Faulty glow plugs
  • Glow plugs harness is open or shorted
  • Glow plugs circuit poor electrical connection
  • Faulty Powertrain Control Module (PCM)

First diagnose P1392 FORD code

    Check the "Possible Causes" listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded terminals.

P1392 FORD Tech Notes

California trucks it has a GPCM (Glow Plug Control Module) instead of a GPR (Glow Plug Relay).

Cost of diagnosing the P1392 FORD code

    Labor: 1.0

    The cost of diagnosing the P1392 FORD code is 1.0 hour of labor. The auto repair labor rates vary widely across the country, and even within the same city. Most auto repairs shops charge between $75 and $150 per hour.

P1392 FORD Possible Symptoms

  • Engine Light ON (or Service Engine Soon Warning Light)

P1392 FORD Meaning

The glow plug system is monitored when the glow plugs are commanded on for more than 35 seconds and battery voltage is between 11.5-14 volts.
OBDII Code P1392 FORD - Glow Plug Circuit High Input Bank 1 - Engine-Codes.com

P1392 FORD More Information

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