P124A - Injector 3 Positive Voltage Control Circuit Shorted to Control Circuit
P124A Possible Causes
- Faulty Fuel Injector
- Fuel Injector harness is open or shorted
- Fuel Injector circuit poor electrical connection
First diagnose P124A 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.
Cost of diagnosing the P124A code
Labor: 1.0The cost of diagnosing the P124A 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.
P124A Possible Symptoms
- Engine Light ON (or Service Engine Soon Warning Light)
P124a DescriptionThe 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.
P124A More InformationNeed more information on how to fix the P124A code?
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P124A Information for specific makes
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