P2149
Fuel Injector Group B Supply Voltage Circuit/Open
P2149 is an OBD-II diagnostic trouble code meaning: Fuel Injector Group B Supply Voltage Circuit/Open. Common causes: broken or damaged wiring harness, faulty relay or fuse. Estimated repair cost: $6–56.
Symptoms
- Uneven engine operation
- Power Loss
- Increased fuel consumption
- Check Engine Light Is On
- Problems starting the engine
Causes
- Broken or damaged wiring harness
- Faulty relay or fuse
- Contact corrosion
- Problems with the control unit (ECU)
- Malfunction of the injectors themselves
How to Fix
- Check fuses and relays
- Inspect the wiring harness for damage
- Check contacts for corrosion
- Test group B injectors
- Check the integrity of the power circuit
Related codes
Error P2149 by Vehicle Brand
FAQ
What does the P2149 code mean?
P2149 is an OBD-II diagnostic trouble code that indicates: Fuel Injector Group B Supply Voltage Circuit/Open
What causes a P2149 error code?
The most common causes of P2149 include: Broken or damaged wiring harness; Faulty relay or fuse; Contact corrosion; Problems with the control unit (ECU).
How do I fix a P2149 diagnostic trouble code?
To fix P2149: Check fuses and relays. Inspect the wiring harness for damage. Check contacts for corrosion. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P2149?
Limited driving only, diagnose soon
How much does it cost to fix P2149?
The estimated repair cost for P2149 is $6–56. Actual cost depends on your vehicle, location, and labor rates.
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