U0B98 - Understanding DTC U0B98: Common in 2016-2020 Ford Explorer and 2017-2019 Honda CR-V

Quick Answer

U0B98 means: U0B98 indicates a communication error between vehicle control modules.

Fix: Check and replace faulty components Cost: $100 - $300 Time: 90-180 minutes

Can I drive with U0B98? Seek professional diagnosis as soon as possible to avoid further complications.

Common Questions

What does U0B98 mean and how does it affect my car?

The U0B98 code indicates a communication problem between the vehicle's control modules. This can affect various electrical systems, potentially leading to performance issues, safety feature malfunctions, and warning lights on the dashboard. Addressing this code promptly is essential for maintaining vehicle safety and efficiency.

What are the most common causes of U0B98 and how much does it cost to fix?

Common causes of U0B98 include faulty wiring (60%), malfunctioning BCM (20%), and software glitches (10%). Repair costs can range from $100 for wiring repairs to $600 for BCM replacement, depending on the specific issue.

Can I drive my car with U0B98 or should I stop immediately?

While you may be able to drive your car, it is not advisable to ignore the U0B98 code. Continued operation could lead to more severe issues or safety risks. It's best to have the vehicle diagnosed as soon as possible.

How can I diagnose U0B98 myself using GeekOBD APP?

To diagnose U0B98 using the GeekOBD APP, start by connecting the app to your vehicle's OBD2 port. Retrieve the diagnostic codes and check the freeze frame data for any patterns. Look for any additional codes that could indicate related issues and inspect wiring and connectors based on your findings.

What vehicles are most commonly affected by U0B98?

DTC U0B98 is commonly seen in 2016-2020 Ford Explorers and 2017-2019 Honda CR-Vs, among others. Owners of these models should be aware of this code and monitor their vehicle's performance for related symptoms.

How can I prevent U0B98 from happening again?

Regular maintenance, including inspections of wiring and connectors, can help prevent U0B98. Avoid adding aftermarket electrical components unless professionally installed, and keep your vehicle’s software updated to minimize communication errors.

What is U0B98?

The diagnostic trouble code (DTC) U0B98 generally indicates a communication issue between modules within the vehicle's network. This code specifically relates to the body control module (BCM) and signifies that there is a problem with the data being transmitted between the BCM and other components, such as the engine control module (ECM) or transmission control module (TCM). When this code triggers, it can lead to several malfunctions, including issues with the vehicle's electrical system, stability control, and even the anti-lock braking system (ABS). As a result, you may experience symptoms like warning lights on the dashboard, erratic behavior of electrical components, or failure of certain safety features. Ignoring this code could lead to more serious issues, including reduced vehicle performance or increased repair costs over time. It's essential for car owners to address DTC U0B98 promptly to ensure safety and reliable operation. The complexity of modern automotive systems means that troubleshooting this code often requires specialized diagnostic tools and knowledge, making it advisable to seek professional assistance if you're unsure.

System: U - Network (Communication, CAN Bus)

Symptoms

Common symptoms when U0B98 is present:

  • The check engine light remains illuminated, indicating a persistent issue that requires attention.
  • You may notice that electrical components such as power windows or door locks operate inconsistently, leading to driver frustration.
  • The vehicle's performance may be impacted, with potential hesitations during acceleration or difficulty starting.
  • Dashboard gauges may not function correctly, displaying incorrect readings or fluctuating unexpectedly.
  • In some instances, you might experience intermittent failures of safety features such as ABS or traction control.

Possible Causes

Most common causes of U0B98 (ordered by frequency):

  1. {'cause': 'Faulty wiring or connectors between the BCM and other modules (60% likelihood)', 'details': 'Corrosion or damage to the wiring harness can disrupt signals, leading to U0B98.'}
  2. {'cause': 'Malfunctioning body control module (20% likelihood)', 'details': 'A defective BCM can cause communication failures, requiring replacement or reprogramming.'}
  3. {'cause': "Software glitches in the vehicle's onboard computer (10% likelihood)", 'details': 'Outdated software can lead to communication errors, and a simple update may resolve the issue.'}
  4. {'cause': 'Interference from aftermarket accessories (5% likelihood)', 'details': "Improperly installed aftermarket electronics can disrupt the vehicle's network."}
  5. {'cause': 'Less common: Faulty sensors affecting BCM inputs (5% likelihood)', 'details': 'Defective sensors may send incorrect data, causing the BCM to trigger U0B98.'}

U0B98 Repair Costs

Cost Breakdown by Repair Type

Wiring Repair

Repairing or replacing damaged wiring and connectors.

  • Total: $100 - $300
  • Success rate: 85%
BCM Replacement

Replacing the faulty body control module with a new or refurbished unit.

  • Total: $300 - $600
  • Success rate: 90%
Software Update

Updating the vehicle's software to eliminate glitches.

  • Total: $50 - $150
  • Success rate: 75%
Money-Saving Tips for U0B98
  • Start with the most common and least expensive repairs first
  • Use GeekOBD APP to confirm diagnosis before replacing expensive parts
  • Consider preventive maintenance to avoid future occurrences
  • Compare prices for OEM vs aftermarket parts based on your needs
  • Address the issue promptly to prevent more expensive secondary damage

Diagnostic Steps

Professional U0B98 Diagnosis Process

Follow these systematic steps to accurately diagnose U0B98. Each step builds on the previous one to ensure accurate diagnosis.

Step 1: Step 1: Initial visual inspection - Check for any visible wiring damage, loose connectors, or corrosion (5-10 minutes)

Step 1: Initial visual inspection - Check for any visible wiring damage, loose connectors, or corrosion (5-10 minutes).

GeekOBD APP Tip: Use GeekOBD APP to monitor real-time data during this diagnostic step for accurate results and professional-grade analysis.
Step 2: Step 2: OBD2 scan with GeekOBD APP - Utilize the GeekOBD APP to pull the DTCs and review freeze frame data for context (10-15 minutes)

Step 2: OBD2 scan with GeekOBD APP - Utilize the GeekOBD APP to pull the DTCs and review freeze frame data for context (10-15 minutes).

GeekOBD APP Tip: Use GeekOBD APP to monitor real-time data during this diagnostic step for accurate results and professional-grade analysis.
Step 3: Step 3: Component testing - Use a multimeter to test suspected wiring and connectors for continuity and proper voltage (20-30 minutes)

Step 3: Component testing - Use a multimeter to test suspected wiring and connectors for continuity and proper voltage (20-30 minutes).

GeekOBD APP Tip: Use GeekOBD APP to monitor real-time data during this diagnostic step for accurate results and professional-grade analysis.
Step 4: Step 4: System function test - After repairs, verify the proper operation of affected systems and clear any codes (10-15 minutes)

Step 4: System function test - After repairs, verify the proper operation of affected systems and clear any codes (10-15 minutes).

GeekOBD APP Tip: Use GeekOBD APP to monitor real-time data during this diagnostic step for accurate results and professional-grade analysis.
Step 5: Step 5: Road test verification - Drive the vehicle under various conditions to ensure the issue is resolved and no new codes appear (15-20 minutes)

Step 5: Road test verification - Drive the vehicle under various conditions to ensure the issue is resolved and no new codes appear (15-20 minutes).

GeekOBD APP Tip: Use GeekOBD APP to monitor real-time data during this diagnostic step for accurate results and professional-grade analysis.

Important Notes

  • Always verify the repair with GeekOBD APP after completing diagnostic steps
  • Clear codes and test drive to ensure the problem is resolved
  • Address underlying causes to prevent code recurrence

Real Repair Case Studies

Case Study 1: 2018 Ford Explorer U0B98 Case Study

Vehicle: 2018 Ford Explorer, 45,000 miles

Problem: Customer reported a persistent check engine light and inconsistency in power windows.

Diagnosis: Diagnostic scan revealed U0B98 and visual inspection found corroded wiring leading to the BCM.

Solution: Repaired the damaged wiring and replaced affected connectors.

Cost: $250 (including parts and labor)

Result: After repair, the check engine light was cleared, and all electrical components functioned normally.

Case Study 2: 2019 Honda CR-V U0B98 Repair

Vehicle: 2019 Honda CR-V, 30,000 miles

Problem: Customer experienced failure of safety features and erratic dashboard readings.

Diagnosis: OBD scan showed U0B98; further inspection uncovered a software glitch.

Solution: Performed a software update and cleared the codes.

Cost: $100 (software update)

Result: Post-update, the vehicle operated correctly with no further issues.

Diagnose U0B98

Use GeekOBD APP for professional diagnosis!

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Code Information

Code: U0B98
System: Network (Communication, CAN Bus)
Severity: HIGH
Category: Network Codes