CodeRegistry
Brands
  1. Home
  2. Bosch
  3. OBD1000
  4. P0627
About·Privacy·Terms

CodeRegistry — Your global library for technical solutions.

For your safety: always follow the equipment manufacturer’s official manuals. CodeRegistry is an independent help site and is not affiliated with the brands listed here.

P0627

P0627 - Fuel Pump A Control Circuit Open

Bosch · OBD1000

What does P0627 mean?

This code indicates an open circuit in the control circuit for Fuel Pump A. The signal to operate the fuel pump is interrupted.

Common Causes

  • Open circuit in the fuel pump wiring
  • Faulty fuel pump relay or fuse
  • Problem with the fuel pump control module

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Check the fuel pump fuse and relay.

  2. 2

    Inspect the wiring harness for the fuel pump circuit.

  3. 3

    Test the fuel pump for operation.

  4. 4

    A mechanic can diagnose control module issues.

Browse all codes in this manual (60)
Verified technical data. Last updated: April 2026

Related Faults

NO LINKNO LINK message displayed — Unable to communicate with the vehicleP0217P0217 — Engine Overtemp ConditionP0298P0298 — Engine Oil Temperature Too High
Source: OBD1000
Open Manual (Page 21)Search more codes in this manual