B0E37 - Unresponsive Rear Park Assist System in 2016-2020 Chevrolet Malibu and Other Models

Quick Answer

B0E37 means: B0E37 indicates an issue with the rear park assist system, which may not function correctly.

Fix: Check and replace faulty components Cost: $200 - $400 Time: 90-180 minutes

Can I drive with B0E37? It is advisable to address this issue promptly to ensure safe vehicle operation.

Common Questions

What does B0E37 mean and how does it affect my car?

The B0E37 code signifies a malfunction in the rear park assist system, which may lead to difficulties in detecting obstacles while reversing. This can compromise your safety and that of others, as you might not be aware of nearby objects. Addressing this issue promptly is crucial to maintain vehicle safety.

What are the most common causes of B0E37 and how much does it cost to fix?

Common causes of the B0E37 code include faulty rear parking sensors, damaged wiring, or control module failures. Repair costs can vary, with sensor replacements averaging $200 to $400, while control module replacements may run between $400 to $800.

Can I drive my car with B0E37 or should I stop immediately?

While you can technically drive your vehicle with a B0E37 code, it is not recommended. The rear park assist system's failure can increase the risk of accidents while reversing, so it’s best to address the issue as soon as possible.

How can I diagnose B0E37 myself using GeekOBD APP?

To diagnose the B0E37 code using the GeekOBD APP, connect the app to your vehicle’s OBD2 port, scan for diagnostic trouble codes, and review the freeze frame data for context on the fault. This will help identify the specific components that may be affecting the park assist system.

What vehicles are most commonly affected by B0E37?

The B0E37 code is commonly found in 2016-2020 Chevrolet Malibu models, among others. It is advisable to check for any recalls or Technical Service Bulletins (TSBs) related to the rear park assist system in these vehicles.

How can I prevent B0E37 from happening again?

Regular maintenance, including cleaning the rear parking sensors and ensuring there is no corrosion in wiring connectors, can help prevent the B0E37 code from occurring again. Additionally, consider software updates from your dealer if they become available.

What is B0E37?

DTC B0E37 indicates a malfunction in the rear park assist system, which is designed to help drivers detect obstacles while reversing. When this code triggers, it suggests that the system is unable to function properly due to sensor issues, wiring faults, or control module failures. In practical terms, this means that the park assist feature may not activate, leading to potential safety concerns while backing up. Drivers relying on this feature for parking assistance may find it particularly frustrating, as it can increase the risk of collisions with unseen objects. The unresponsive park assist system can also cause the dashboard warning lights to illuminate, adding to driver anxiety. It is essential to diagnose the root of the problem not only to restore the functionality of this convenience feature but also to maintain overall vehicle safety. Proper diagnosis using tools such as the GeekOBD APP can provide insights into the specific fault and guide repairs. If left unchecked, issues associated with this code might lead to more extensive repairs down the road, making timely attention crucial.

System: B - Body (Airbags, Lighting, Security, Climate Control)

Symptoms

Common symptoms when B0E37 is present:

  • The check engine light illuminates consistently, indicating a fault in the rear park assist system.
  • The rear park assist feature fails to activate, leaving drivers without assistance when reversing.
  • Drivers may experience increased anxiety when reversing, as the usual sensors that alert them to nearby obstacles are non-functional.
  • The vehicle’s dashboard may display error messages related to the park assist system.
  • In some cases, drivers may notice unusual sounds from the rear sensors or control module when attempting to engage the system.

Possible Causes

Most common causes of B0E37 (ordered by frequency):

  1. The most common cause of the B0E37 code is a faulty rear parking sensor, which occurs in about 60% of cases. This can stem from physical damage or dirt obstructing the sensor's function.
  2. Another frequent issue is damaged wiring or poor connections in the park assist system, which accounts for approximately 25% of the problems. Corrosion or wear can lead to intermittent failures.
  3. A malfunctioning control module can also trigger the B0E37 code, although it is less common and may represent only 10% of cases. Replacing the control module is often necessary.
  4. In rare instances, software issues within the vehicle’s computer system can affect the park assist functionality, which requires a software update.
  5. Finally, environmental factors such as extreme temperatures or water intrusion into electrical components can impact the system's performance.

B0E37 Repair Costs

Cost Breakdown by Repair Type

Sensor Replacement

Replacing a faulty rear parking sensor can restore functionality to the park assist system.

  • Total: $200 - $400
  • Success rate: 85%
Control Module Replacement

In cases where the control module is faulty, replacing it may be necessary.

  • Total: $400 - $800
  • Success rate: 75%
Wiring Repair

Repairing damaged wiring or connections, which can be a less expensive yet effective solution.

  • Total: $100 - $300
  • Success rate: 90%
Money-Saving Tips for B0E37
  • 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 B0E37 Diagnosis Process

Follow these systematic steps to accurately diagnose B0E37. Each step builds on the previous one to ensure accurate diagnosis.

Step 1: Step 1: Initial visual inspection - Check for obvious signs like damaged wiring, loose connections, or corrosion (5-10 minutes)

Step 1: Initial visual inspection - Check for obvious signs like damaged wiring, loose connections, 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 - Retrieve all codes and freeze frame data to understand the fault context (10-15 minutes)

Step 2: OBD2 scan with GeekOBD APP - Retrieve all codes and freeze frame data to understand the fault 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 or specific diagnostic tools to test suspected components like the sensors and wiring (20-30 minutes)

Step 3: Component testing - Use a multimeter or specific diagnostic tools to test suspected components like the sensors and wiring (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 - Verify proper operation after repairs and clear codes (10-15 minutes)

Step 4: System function test - Verify proper operation after repairs and clear 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 confirm repair success (15-20 minutes)

Step 5: Road test verification - Drive the vehicle under various conditions to confirm repair success (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: Chevrolet Malibu Rear Park Assist Repair

Vehicle: 2018 Chevrolet Malibu, 45,000 miles

Problem: Customer reported that the rear park assist system was not functioning, and the warning light was illuminated.

Diagnosis: After scanning the vehicle with the GeekOBD APP, the B0E37 code was retrieved. A visual inspection revealed a corroded wiring connection at the rear sensor.

Solution: Repaired the corroded wiring and replaced the rear parking sensor. The system was retested and found to be fully operational.

Cost: $250 (including parts and labor)

Result: The park assist system functioned correctly post-repair, and the customer was satisfied with the outcome.

Case Study 2: 2019 Chevrolet Silverado Park Assist Issue

Vehicle: 2019 Chevrolet Silverado, 30,000 miles

Problem: Owner noticed the rear park assist feature was intermittently failing and sometimes activated the warning light.

Diagnosis: Utilizing the GeekOBD APP, the B0E37 code was found. Testing revealed a faulty control module that was not sending signals to the sensors.

Solution: Replaced the control module and reprogrammed it to ensure compatibility with the vehicle's system.

Cost: $600 (specific cost breakdown: $500 for the module, $100 for labor)

Result: Post-repair, the park assist system operated as expected, restoring the owner's confidence while reversing.

Diagnose B0E37

Use GeekOBD APP for professional diagnosis!

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  • Step-by-step repair guidance
  • Professional-grade analysis
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Code Information

Code: B0E37
System: Body (Airbags, Lighting, Security, Climate Control)
Severity: MEDIUM
Category: Body Codes