← View Generic P0773 Guide
Severity: Medium
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Vehicle-Specific Guide
This guide is customized for your 2018 BMW X5
P0773: P0773: 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 P0773 Mean on 2018 BMW X5?
The P0773 code indicates a malfunction in the transmission control system, which can cause issues with gear shifting and transmission operation.
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Symptoms
- • Difficulty shifting gears
- • slipping or hesitation between gears
- • transmission warning light on the dashboard
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Common Causes
- • Faulty transmission control module
- • faulty transmission solenoid
- • clogged transmission filter
- • low transmission fluid level
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How to Fix P0773 on 2018 BMW X5
1. Check transmission fluid level and top off if necessary. 2. Scan for any other trouble codes. 3. Replace faulty transmission solenoid. 4. Replace transmission control module if necessary.
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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 P0773
P0771
Sequential Code
P0771: Transmission Control System Malfunction
Medium
P0772
Sequential Code
P0772: Transmission Control System Malfunction
Medium
P0774
Sequential Code
P0774: Transmission Control System Malfunction
Medium
P0775
Sequential Code
P0775: 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