P027A
Fuel Pump Module B Control Circuit/Open
P027A is an OBD-II diagnostic trouble code meaning: Fuel Pump Module B Control Circuit/Open. Common causes: broken or damaged wiring harness, fuel pump module b malfunction. Estimated repair cost: $56–167.
Symptoms
- Power loss under load
- Unstable engine operation
- Difficulty starting
- Increased fuel consumption
Causes
- Broken or damaged wiring harness
- Fuel pump module B malfunction
- Relay or fuse problems
- Engine control unit (ECU) malfunction
How to Fix
- Check the integrity of the wiring harness and connections
- Check fuses and relays
- Test fuel pump module B
- Replace module or wiring harness if necessary
- Reset the error and check the system operation
Related codes
Error P027A by Vehicle Brand
FAQ
What does the P027A code mean?
P027A is an OBD-II diagnostic trouble code that indicates: Fuel Pump Module B Control Circuit/Open
What causes a P027A error code?
The most common causes of P027A include: Broken or damaged wiring harness; Fuel pump module B malfunction; Relay or fuse problems; Engine control unit (ECU) malfunction.
How do I fix a P027A diagnostic trouble code?
To fix P027A: Check the integrity of the wiring harness and connections. Check fuses and relays. Test fuel pump module B. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P027A?
Limited driving only, diagnose soon
How much does it cost to fix P027A?
The estimated repair cost for P027A is $56–167. Actual cost depends on your vehicle, location, and labor rates.
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