← View Generic P0787 Guide Severity: Medium
🚗 Vehicle-Specific Guide

This guide is customized for your 2018 BMW X5

P0787: P0787: Transmission Control System Malfunction

on 2018 BMW X5

Fix Cost
$200 - $1000
Parts & Labor
Difficulty
3/5
1-2 hours
DIY Possible?
❌ No
Pro recommended
Your Vehicle
2018 BMW
X5
⚠️

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 P0787 Mean on 2018 BMW X5?

The P0787 code indicates a malfunction in the transmission control system, which can cause issues with gear shifting and transmission operation.
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Symptoms

  • • Slipping or hesitation between gears
  • • difficulty shifting
  • • transmission warning light on
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Common Causes

  • • Faulty transmission control module
  • • faulty transmission solenoid
  • • faulty transmission sensor
  • • low transmission fluid level
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How to Fix P0787 on 2018 BMW X5

1. Check transmission fluid level and top off as needed. 2. Scan for any other trouble codes. 3. Replace faulty transmission control module. 4. Replace faulty transmission solenoid. 5. Replace faulty transmission sensor.

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Parts for 2018 BMW X5

Transmission control module Shop ↗ Transmission solenoid Shop ↗ Transmission sensor Shop ↗

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Related Diagnostic Codes

Other codes that may appear with P0787

P0785 Sequential Code

P0785: Transmission Control System Malfunction

Medium
P0786 Sequential Code

P0786: Transmission Control System Malfunction

Medium
P0788 Sequential Code

P0788: Transmission Control System Malfunction

Medium
P0789 Sequential Code

P0789: Transmission Control System Malfunction Affecting Gear Shifting

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