P027B
Fuel Pump Module B Control Circuit Range/Performance
P027B is an OBD-II diagnostic trouble code meaning: Fuel Pump Module B Control Circuit Range/Performance. Common causes: fuel pump module b malfunction, open or short circuit in wiring harness. Estimated repair cost: $56–167.
Symptoms
- Unstable engine operation
- Problems starting the engine
- Power reduction
- Increased fuel consumption
Causes
- Fuel pump module B malfunction
- Open or short circuit in wiring harness
- Poor contact in connectors
- ECU malfunction
How to Fix
- Check the integrity of the fuel pump module B wiring harness.
- Check connectors for corrosion or damage
- Check resistance and voltage at fuel pump module B
- Replace fuel pump module B or ECU if necessary
Related codes
Error P027B by Vehicle Brand
FAQ
What does the P027B code mean?
P027B is an OBD-II diagnostic trouble code that indicates: Fuel Pump Module B Control Circuit Range/Performance
What causes a P027B error code?
The most common causes of P027B include: Fuel pump module B malfunction; Open or short circuit in wiring harness; Poor contact in connectors; ECU malfunction.
How do I fix a P027B diagnostic trouble code?
To fix P027B: Check the integrity of the fuel pump module B wiring harness.. Check connectors for corrosion or damage. Check resistance and voltage at fuel pump module B. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P027B?
Limited driving only, diagnose soon
How much does it cost to fix P027B?
The estimated repair cost for P027B is $56–167. Actual cost depends on your vehicle, location, and labor rates.
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