← View Generic P0667 Guide
Severity: Medium
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Vehicle-Specific Guide
This guide is customized for your 2018 BMW X5
P0667: P0667: Engine Control Module (ECM) Output Circuit Malfunction
on 2018 BMW X5
Fix Cost
$100 - $500
Parts & Labor
Difficulty
3/5
1-2 hours
DIY Possible?
❌ No
Pro recommended
Your Vehicle
2018 BMW
X5
⚠️
Important for 2018 BMW X5 Owners
Before starting repairs, verify which engine your 2018 BMW X5 has. Check your VIN or engine code to ensure you order the correct parts.
📖 What Does P0667 Mean on 2018 BMW X5?
The Engine Control Module (ECM) output circuit has malfunctioned, preventing the ECM from sending the correct signals to other engine components.
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Symptoms
- • Check engine light
- • rough engine idle
- • decreased engine performance
- • decreased fuel efficiency
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Common Causes
- • Faulty ECM output circuit
- • damaged or corroded wiring
- • faulty engine sensors
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How to Fix P0667 on 2018 BMW X5
1. Check and clean the ECM output circuit wiring and connectors. 2. Replace the ECM output circuit if damaged or corroded. 3. Check and replace faulty engine sensors.
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Need Maintenance Info for Your X5?
Get oil capacity, filter specs, and torque settings for your specific 2018 BMW X5.
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Related Diagnostic Codes
Other codes that may appear with P0667
P0665
Sequential Code
P0665: Engine Control Module (ECM) Output Circuit Malfunction
Medium
P0666
Sequential Code
P0666: Engine Control Module (ECM) Output Circuit Malfunction
Medium
P0668
Sequential Code
P0668: Engine Control Module (ECM) Output Circuit Malfunction
Medium
P0669
Sequential Code
P0669: Engine Control Module (ECM) Output Circuit Malfunction
Medium
💡 Why These Codes Are Related:
- • Similar Issues: Same root cause or component failure
- • Related Problems: Often occur together due to system interactions
- • Sequential Codes: Progressive failure stages or multiple sensors
- • Same System: Components within the same automotive system