← View Generic C0042 Guide
Severity: Medium
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Vehicle-Specific Guide
This guide is customized for your 2018 BMW X5
C0042: C0042: ABS System Malfunction
on 2018 BMW X5
Fix Cost
$200 - $800
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 C0042 Mean on 2018 BMW X5?
The ABS system has malfunctioned, likely due to a faulty wheel speed sensor or a problem with the ABS module.
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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 wheel speed sensor
- • ABS module failure
- • wiring issue
- • faulty brake sensor
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How to Fix C0042 on 2018 BMW X5
1. Check and clear any trouble codes. 2. Inspect and replace faulty wheel speed sensor. 3. Check and repair any wiring issues. 4. Replace ABS 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.
View 2018 BMW X5 SpecsParts for 2018 BMW X5
Essential Tool
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Related Diagnostic Codes
Other codes that may appear with C0042
C0040
Sequential Code
C0040: Traction Control System Malfunction
Medium
C0041
Sequential Code
C0041: Wheel Speed Sensor Malfunction
Medium
C0043
Sequential Code
C0043: Brake System Pressure Sensor Circuit Malfunction
Medium
C0044
Sequential Code
C0044: 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