OBD-II Code · Fuel & Air
P0627
Fuel Pump A Control Circuit Open
high severityDo not drive$100-$500
Fuel pump control circuit open.
Common symptoms
- No start
- Stall
Likely causes
- Failed relay
- Broken wire
- Pump driver module
Where to start
- Try the cheapest cause first. Start by checking: failed relay.
- Cost & scope. $100-$500
- If the code returns after the fix: escalate to a shop or scanner with live-data and freeze-frame. A code that re-sets means the underlying fault is still there. Don't keep driving with this one active — risk of damage.
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