P0201
Cylinder 1 Injector A Circuit
P0201 is an OBD-II diagnostic trouble code meaning: Cylinder 1 Injector A Circuit. Common causes: open or short circuit in the injector wiring harness, cylinder 1 injector malfunction. Estimated repair cost: $56–167.
Symptoms
- Misfire in cylinder 1
- Unstable engine operation
- Power reduction
- Increased fuel consumption
Causes
- Open or short circuit in the injector wiring harness
- Cylinder 1 injector malfunction
- Problems with power or grounding of the injector
- Engine control unit (ECU) malfunction
How to Fix
- Check the injector wiring harness for breaks and short circuits
- Check the resistance of the injector of cylinder 1
- Check the power supply and grounding of the injector
- If necessary, replace the injector or wiring harness
- Reset the error and check engine operation
Related codes
Error P0201 by Vehicle Brand
FAQ
What does the P0201 code mean?
P0201 is an OBD-II diagnostic trouble code that indicates: Cylinder 1 Injector A Circuit
What causes a P0201 error code?
The most common causes of P0201 include: Open or short circuit in the injector wiring harness; Cylinder 1 injector malfunction; Problems with power or grounding of the injector; Engine control unit (ECU) malfunction.
How do I fix a P0201 diagnostic trouble code?
To fix P0201: Check the injector wiring harness for breaks and short circuits. Check the resistance of the injector of cylinder 1. Check the power supply and grounding of the injector. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P0201?
Limited driving only, diagnose soon
How much does it cost to fix P0201?
The estimated repair cost for P0201 is $56–167. Actual cost depends on your vehicle, location, and labor rates.
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