← View Generic C2660 Guide
Severity: Medium
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Vehicle-Specific Guide
This guide is customized for your 2018 BMW X5
C2660: C2660: ABS System Malfunction
on 2018 BMW X5
Fix Cost
$100 - $300
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 C2660 Mean on 2018 BMW X5?
The ABS system has detected a malfunction in the wheel speed sensor circuit, which may cause the ABS system to malfunction or not function at all.
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Symptoms
- • ABS warning light on
- • vehicle may vibrate or pull to one side
- • reduced braking performance
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Common Causes
- • Faulty wheel speed sensor
- • wiring issue
- • sensor connector corrosion
- • ABS module failure
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How to Fix C2660 on 2018 BMW X5
1. Check and clean the wheel speed sensor connector and wiring. 2. Replace the wheel speed sensor if faulty. 3. Update the ABS module software if necessary. 4. Check and clear any other related trouble codes.
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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 C2660
C2658
Sequential Code
C2658: Traction Control Malfunction
Medium
C2659
Sequential Code
C2659: Wheel Speed Sensor Malfunction
Medium
C2661
Sequential Code
C2661: Brake System Pressure Sensor Circuit Malfunction
Medium
C2662
Sequential Code
C2662: Rear Suspension Damper Solenoid 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