← View Generic C0308 Guide
Severity: High
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Vehicle-Specific Guide
This guide is customized for your 2018 BMW X5
C0308: C0308: Anti-lock Brake System (ABS) Pump Control Module Circuit Malfunction
on 2018 BMW X5
Fix Cost
$200 - $500
Parts & Labor
Difficulty
3/5
1-2 hours
DIY Possible?
❌ No
Pro recommended
Your Vehicle
2018 BMW
X5
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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 C0308 Mean on 2018 BMW X5?
The ABS pump control module circuit has malfunctioned, preventing the ABS system from functioning properly.
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Symptoms
- • ABS warning light on
- • vehicle may vibrate or pull to one side during braking
- • reduced braking performance
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Common Causes
- • Faulty ABS pump control module
- • wiring issues
- • or module software corruption
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How to Fix C0308 on 2018 BMW X5
1. Disconnect battery to reset ABS system, 2. Check and repair or replace wiring as needed, 3. Update ABS module software if necessary, 4. Replace ABS pump control module if faulty
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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 C0308
C0306
Sequential Code
C0306: Traction Control System Malfunction
Medium
C0307
Sequential Code
C0307: Wheel Speed Sensor Malfunction
Medium
C0309
Sequential Code
C0309: Brake System Pressure Sensor Circuit Malfunction
Medium
C0310
Sequential Code
C0310: Suspension Damper or Mount Fault
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