← View Generic P0746 Guide
Severity: Medium
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Vehicle-Specific Guide
This guide is customized for your 2018 BMW X5
P0746: P0746: Transmission Control 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 P0746 Mean on 2018 BMW X5?
The transmission control system has malfunctioned, causing issues with gear shifting and transmission operation.
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Symptoms
- • Difficulty shifting gears
- • slipping transmission
- • hesitation when accelerating
- • or a check engine light.
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Common Causes
- • Faulty transmission control module
- • faulty solenoid
- • faulty transmission sensor
- • or a wiring issue.
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How to Fix P0746 on 2018 BMW X5
1. Check and clear any trouble codes. 2. Inspect and clean the transmission sensor and solenoid. 3. Replace the faulty transmission control module or solenoid if necessary. 4. Check and repair any wiring issues.
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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 P0746
P0744
Sequential Code
P0744: Transmission Control System Malfunction
Medium
P0745
Sequential Code
P0745: Transmission Control System Malfunction
Medium
P0747
Sequential Code
P0747: Transmission Control System Malfunction Affecting Gear Shifting
Medium
P0748
Sequential Code
P0748: Transmission Control System 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