Ford Focus Battery Drain — BCM Body Control Module
Ford
Focus
2004
All
⚡ Quick Summary
Severity Level
Medium
Safe to Drive?
✅ Safe to Drive
Safety Impact
No direct safety impact reported by owners
Urgency Level
🟡 Monitor Closely
The Body Control Module on Focus Mk2 can fail to enter sleep mode causing parasitic drain. Affected by moisture ingress through the driver footwell. BCM repair or replacement costs £150-400.
Repair / Solution
No confirmed fixes yet. Share yours below.
⚠️ Wrong Diagnosis?
No commonly reported misdiagnoses for this fault yet. If you have replaced a part that did not fix this Ford Focus 2004 problem, submit a wrong diagnosis report — it helps other drivers avoid the same costly mistake.
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