Engine-Codes - Gmc - P1222 GMC

P1222 GMC - Injector Control Circuit 1 Intermittent

Repair Importance Level: 3/3
Repair Difficulty Level: 3/3  What is this?
Table of contents

P1222 GMC Possible Causes

  • Faulty Fuel Injector 1
  • Fuel Injector 1 harness is open or shorted
  • Fuel Injector 1 circuit poor electrical connection

How is the P1222 GMC code repair?

Start by checking 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 connector's pins.

What is the cost to diagnose the P1222 GMC code

Labor: 1.0

The cost to diagnose the P1222 GMC 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.

Possible Symptoms

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

P1222 GMC Meaning

With the engine running, then the Powertrain Control Module (PCM) detects the wrong voltage potential on one of the injector drive circuits for under 500 ms. Also the P0200 code will set if a fault in a component or circuit is detected.

More Information

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