Quick Answer
B1170 means: B1170 indicates a malfunction in the Body Control Module (BCM) circuitry.
Can I drive with B1170? Immediate attention is recommended to prevent further electrical issues.
Common Questions
What does B1170 mean and how does it affect my car?
The B1170 code signifies a malfunction in the Body Control Module (BCM), which is crucial for electrical operations such as lights and locks. If this code appears, you may experience issues with these systems, potentially leading to safety hazards.
What are the most common causes of B1170 and how much does it cost to fix?
Common causes include a faulty BCM, damaged wiring, or faulty sensors. Repair costs can range from $100 for wiring repairs to $800 for a complete BCM replacement, depending on the severity of the issue.
Can I drive my car with B1170 or should I stop immediately?
While you may be able to drive short distances, it's not advisable to ignore the B1170 code. Continuing to drive with this issue could lead to more severe electrical failures and safety risks.
How can I diagnose B1170 myself using GeekOBD APP?
With the GeekOBD APP, connect your OBD2 scanner to your vehicle, retrieve the B1170 code, and examine any freeze frame data to understand the conditions under which the code triggered. This can help pinpoint the problem.
What vehicles are most commonly affected by B1170?
The B1170 code is frequently reported in models like the 2010-2016 Chevrolet Equinox, 2011-2015 Ford Edge, and other vehicles with BCM-related electrical systems.
How can I prevent B1170 from happening again?
Regular maintenance, including checking the electrical system for wear and tear, can help prevent the B1170 code. Additionally, keeping the BCM dry and free from corrosion is crucial.
What is B1170?
The B1170 diagnostic trouble code indicates a malfunction related to the Body Control Module (BCM) in your vehicle, which is responsible for controlling various electrical components, such as lighting, power windows, and security systems. When this code appears, it often signifies that the BCM has detected an issue within its circuits or has failed to communicate properly with other modules in the vehicle. This can lead to a range of problems, including malfunctioning lights, failed door locks, or even issues with starting the engine. Commonly reported in vehicles like the 2010-2016 Chevrolet Equinox and 2011-2015 Ford Edge, the B1170 code is significant because it can impact essential functions that enhance your driving experience. Ignoring this code could lead to further complications, such as complete electrical failure or security system malfunctions, making it crucial to address it promptly. If you're experiencing strange electrical behavior in your vehicle, such as flickering lights or unresponsive controls, it's likely related to the BCM, and resolving the B1170 code should be a top priority.
System: B - Body (Airbags, Lighting, Security, Climate Control)
Symptoms
Common symptoms when B1170 is present:
- The check engine light illuminates consistently, indicating a need for immediate diagnostics.
- Power windows may become unresponsive or operate erratically, leading to driver frustration.
- Headlights flicker or do not turn on at all, posing a safety risk while driving at night.
- Door locks fail to operate correctly, either locking or unlocking spontaneously.
- The vehicle experiences intermittent starting issues, which could lead to being stranded.
Possible Causes
Most common causes of B1170 (ordered by frequency):
- The most common cause of the B1170 code is a faulty Body Control Module, with an estimated likelihood of 60%. This can occur due to age, exposure to moisture, or electrical surges.
- A second common cause is damaged wiring or connections related to the BCM, which can result from wear and tear over time. This accounts for about 25% of cases.
- Thirdly, faulty sensors that communicate with the BCM can trigger this code. Regular inspections can help prevent these failures.
- Less common, but serious causes include software issues within the BCM, requiring a software update or reprogramming.
- A rare but possible cause is an internal failure within the BCM itself, necessitating a complete unit replacement.
B1170 Repair Costs
Cost Breakdown by Repair Type
BCM Replacement
Replacing the faulty Body Control Module with a new unit.
- Total: $300 - $800
- Success rate: 85%
Wiring Repair
Repairing any damaged wiring or connectors related to the BCM.
- Total: $100 - $300
- Success rate: 90%
Money-Saving Tips for B1170
- 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 B1170 Diagnosis Process
Follow these systematic steps to accurately diagnose B1170. Each step builds on the previous one to ensure accurate diagnosis.
Step 1: Start with an initial visual inspection to check for damaged wiring, loose connections, or corrosion around the BCM (5-10 minutes)
Step 2: Use an OBD2 scanner with the GeekOBD APP to retrieve all trouble codes and freeze frame data for context (10-15 minutes)
Step 3: Conduct component testing using a multimeter to assess the voltage and continuity of wiring related to the BCM (20-30 minutes)
Step 4: Perform a system function test to ensure the BCM and its associated components are operating correctly after repairs and clear the codes (10-15 minutes)
Step 5: Conduct a road test to confirm repairs were successful and that all electrical systems are functioning properly under various conditions (15-20 minutes)
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: BCM Replacement on a 2013 Chevrolet Equinox
Vehicle: 2013 Chevrolet Equinox, 85,000 miles
Problem: Customer reported intermittent electrical failures, including flickering lights and unresponsive power windows.
Diagnosis: After using the GeekOBD APP, the B1170 code was confirmed. Visual inspection revealed moisture damage to the BCM.
Solution: Replaced the faulty BCM with a new unit and repaired damaged wiring.
Cost: $650 (parts: $500, labor: $150)
Result: The vehicle's electrical systems functioned normally post-repair, and the B1170 code was cleared.
Case Study 2: Wiring Repair in a 2011 Ford Edge
Vehicle: 2011 Ford Edge, 90,000 miles
Problem: The car's locks were malfunctioning, and the check engine light was on.
Diagnosis: The GeekOBD APP indicated a B1170 code, and inspection revealed frayed wiring connected to the BCM.
Solution: Repaired the damaged wiring, ensuring secure connections to the BCM.
Cost: $200 (parts: $50, labor: $150)
Result: The locks operated correctly after the repair, and the check engine light turned off.