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P124B Buick Code - Injector 4 Positive Voltage Control Circuit Shorted to Control Circuit

- Code Popularity: 126 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 3/3
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Code P124B Buick Possible Causes

  • Faulty Fuel Injector 4
  • Fuel Injector 4 harness is open or shorted
  • Fuel Injector 4 circuit poor electrical connection
  • Faulty Engine Control Module (ECM)

How do I Fix the Code P124B Buick?

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 connector's pins.

Does your Buick have Safety Recalls? → Check here

What is the Cost to Diagnose the Code P124B Buick?

Labor: 1.0

The cost of diagnosing the P124B Buick code is 1.0 hour of labor. The auto repair labor rates vary by location, your vehicle's make and model, and even your engine type. Most auto repairs shops charge between $75 and $150 per hour.

What are Code P124B Buick Possible Symptoms?

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

Code P124B Buick Description

The Engine Control Module (ECM) supplies voltage to each fuel injector on the injector high voltage supply circuits. The ECM energizes each fuel injector by grounding the high voltage control circuit of the fuel injector. The ECM monitors the status of the injector high voltage supply circuits and the fuel injector high voltage control circuits. When a fuel injector circuit condition is detected by the ECM, the affected fuel injector(s) is disabled. The Diagnostic Trouble Code (DTC) will be set if the ECM detects the injector high control circuit is shorted to the low control circuit for greater than 2 s.

OBDII Code P124B Buick - Injector 4 Positive Voltage Control Circuit Shorted to Control Circuit - AutoCodes.com
P124B Buick Code - Injector 4 Positive Voltage Control Circuit Shorted to Control Circuit

Need More Information on the P124B Buick Code?

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